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Kheirollahi A, Sadeghi S, Orandi S, Moayedi K, Khajeh K, Khoobi M, Golestani A. Chondroitinase as a therapeutic enzyme: Prospects and challenges. Enzyme Microb Technol 2024; 172:110348. [PMID: 37898093 DOI: 10.1016/j.enzmictec.2023.110348] [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: 05/22/2023] [Revised: 09/28/2023] [Accepted: 10/19/2023] [Indexed: 10/30/2023]
Abstract
The chondroitinases (Chase) are bacterial lyases that specifically digest chondroitin sulfate and/or dermatan sulfate glycosaminoglycans via a β-elimination reaction and generate unsaturated disaccharides. In recent decades, these enzymes have attracted the attention of many researchers due to their potential applications in various aspects of medicine from the treatment of spinal cord injury to use as an analytical tool. In spite of this diverse spectrum, the application of Chase is faced with several limitations and challenges such as thermal instability and lack of a suitable delivery system. In the current review, we address potential therapeutic applications of Chase with emphasis on the challenges ahead. Then, we summarize the latest achievements to overcome the problems by considering the studies carried out in the field of enzyme engineering, drug delivery, and combination-based therapy.
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Affiliation(s)
- Asma Kheirollahi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Solmaz Sadeghi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shirin Orandi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Kiana Moayedi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Khosro Khajeh
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran 14115-154, Iran
| | - Mehdi Khoobi
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Golestani
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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2
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Du M, Wei L, Yuan M, Zou R, Xu Y, Wang X, Wang W, Li F. Enzymatic comparison of two homologous enzymes reveals N-terminal domain of chondroitinase ABC I regulates substrate selection and product generation. J Biol Chem 2023; 299:104692. [PMID: 37031818 DOI: 10.1016/j.jbc.2023.104692] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/19/2023] [Accepted: 04/05/2023] [Indexed: 04/11/2023] Open
Abstract
Chondroitinase ABC-type I (CSase ABC I), which can digest both chondroitin sulfate (CS) and dermatan sulfate (DS) in an endolytic manner, is an essential tool in structural and functional studies of CS/DS. Although a few CSase ABC I have been identified from bacteria, the substrate-degrading pattern and regulatory mechanisms of them have rarely been investigated. Herein, two CSase ABC I, IM3796 and IM1634, were identified from the intestinal metagenome of CS-fed mice. They show high sequence homology (query coverage: 88.00%, percent identity: 90.10%) except for an extra peptide (Met1-His109) at the N-terminus in IM1634, but their enzymatic properties are very different. IM3796 prefers to degrade 6-O-sulfated GalNAc residue-enriched CS into tetra- and disaccharides. In contrast, IM1634 exhibits nearly a thousand times more activity than IM3796, and can completely digest CS/DS with various sulfation patterns to produce disaccharides, unlike most CSase ABC I. Structure modeling showed that IM3796 did not contain an N-terminal domain composed of two β-sheets, which is found in IM1634 and other CSase ABC I. Furthermore, deletion of the N-terminal domain (Met1-His109) from IM1634 caused the enzymatic properties of the variant IM1634-T109 to be similar to those of IM3796, and conversely, grafting this domain to IM3796 increased the similarity of the variant IM3796-A109 to IM1634. In conclusion, the comparative study of the new CSase ABC I provides two unique tools for CS/DS-related studies and applications and, more importantly, reveals the critical role of the N-terminal domain in regulating the substrate binding and degradation of these enzymes.
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Affiliation(s)
- Min Du
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Lin Wei
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Min Yuan
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Ruyi Zou
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Yingying Xu
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Xu Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China
| | - Wenshuang Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China.
| | - Fuchuan Li
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, China; College of Marine Life Sciences, Ocean University of China, Qingdao, China.
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Wei L, Xu Y, Du M, Fan Y, Zou R, Xu X, Zhang Q, Zhang YZ, Wang W, Li F. A novel 4-O-endosulfatase with high potential for the structure-function studies of chondroitin sulfate/dermatan sulfate. Carbohydr Polym 2023; 305:120508. [PMID: 36737182 DOI: 10.1016/j.carbpol.2022.120508] [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: 07/26/2022] [Revised: 12/15/2022] [Accepted: 12/24/2022] [Indexed: 12/30/2022]
Abstract
The sulfation patterns of chondroitin sulfate (CS)/dermatan sulfate (DS), which encode unique biological information, play critical roles in the various biological functions of CS/DS chains. CS/DS sulfatases, which can specifically hydrolyze sulfate groups, could potentially be essential tools for deciphering and changing the biological information encoded by these sulfation patterns. However, endosulfatase with high activity to efficiently hydrolyze the sulfate groups inside CS/DS polysaccharides have rarely been identified, which hinders the practical applications of CS/DS sulfatases. Herein, a novel CS/DS 4-O-endosulfatase (endoBI4SF) with a strong ability to completely remove 4-O-sulfated groups inside various CS/DS polysaccharides was identified and successfully used to investigate the biological roles of 4-O-sulfated CS/DS in vitro and in vivo. This study provides a much-needed tool to tailor the sulfation patterns and explore the related functions of 4-O-sulfated CS/DS chains in vitro and in vivo.
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Affiliation(s)
- Lin Wei
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China
| | - Yingying Xu
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China
| | - Min Du
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China
| | - Ying Fan
- Qingdao Special Servicemen Recuperation Center of PLA Navy, Qingdao 266071, People's Republic of China
| | - Ruyi Zou
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China
| | - Xiangyu Xu
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China
| | - Qingdong Zhang
- School of Life Science and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang 261053, People's Republic of China
| | - Yu-Zhong Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Wenshuang Wang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China.
| | - Fuchuan Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology and State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Rd, Qingdao 266237, People's Republic of China; College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China.
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Zappe A, Miller RL, Struwe WB, Pagel K. State-of-the-art glycosaminoglycan characterization. MASS SPECTROMETRY REVIEWS 2022; 41:1040-1071. [PMID: 34608657 DOI: 10.1002/mas.21737] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 08/02/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
Glycosaminoglycans (GAGs) are heterogeneous acidic polysaccharides involved in a range of biological functions. They have a significant influence on the regulation of cellular processes and the development of various diseases and infections. To fully understand the functional roles that GAGs play in mammalian systems, including disease processes, it is essential to understand their structural features. Despite having a linear structure and a repetitive disaccharide backbone, their structural analysis is challenging and requires elaborate preparative and analytical techniques. In particular, the extent to which GAGs are sulfated, as well as variation in sulfate position across the entire oligosaccharide or on individual monosaccharides, represents a major obstacle. Here, we summarize the current state-of-the-art methodologies used for GAG sample preparation and analysis, discussing in detail liquid chromatograpy and mass spectrometry-based approaches, including advanced ion activation methods, ion mobility separations and infrared action spectroscopy of mass-selected species.
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Affiliation(s)
- Andreas Zappe
- Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Rebecca L Miller
- Department of Cellular and Molecular Medicine, Copenhagen Centre for Glycomics, University of Copenhagen, Copenhagen, Denmark
| | | | - Kevin Pagel
- Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
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Mou M, Hu Q, Li H, Long L, Li Z, Du X, Jiang Z, Ni H, Zhu Y. Characterization of a Thermostable and Surfactant-Tolerant Chondroitinase B from a Marine Bacterium Microbulbifer sp. ALW1. Int J Mol Sci 2022; 23:5008. [PMID: 35563396 PMCID: PMC9103228 DOI: 10.3390/ijms23095008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 02/05/2023] Open
Abstract
Chondroitinase plays an important role in structural and functional studies of chondroitin sulfate (CS). In this study, a new member of chondroitinase B of PL6 family, namely ChSase B6, was cloned from marine bacterium Microbulbifer sp. ALW1 and subjected to enzymatic and structural characterization. The recombinant ChSase B6 showed optimum activity at 40 °C and pH 8.0, with enzyme kinetic parameters of Km and Vmax against chondroitin sulfate B (CSB) to be 7.85 µg/mL and 1.21 U/mg, respectively. ChSase B6 demonstrated thermostability under 60 °C for 2 h with about 50% residual activity and good pH stability under 4.0-10.0 for 1 h with above 60% residual activity. In addition, ChSase B6 displayed excellent stability against the surfactants including Tween-20, Tween-80, Trion X-100, and CTAB. The degradation products of ChSase B6-treated CSB exhibited improved antioxidant ability as a hydroxyl radical scavenger. Structural analysis and site-directed mutagenesis suggested that the conserved residues Lys248 and Arg269 were important for the activity of ChSase B6. Characterization, structure, and molecular dynamics simulation of ChSase B6 provided a guide for further tailoring for its industrial application for chondroitin sulfate bioresource development.
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Affiliation(s)
- Mingjing Mou
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Qingsong Hu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Hebin Li
- Department of Pharmacy, Xiamen Medical College, Xiamen 361023, China;
| | - Liufei Long
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Zhipeng Li
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Xiping Du
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Zedong Jiang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Hui Ni
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
| | - Yanbing Zhu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; (M.M.); (Q.H.); (L.L.); (Z.L.); (X.D.); (Z.J.); (H.N.)
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6
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Couto MR, Rodrigues JL, Rodrigues LR. Heterologous production of chondroitin. BIOTECHNOLOGY REPORTS 2022; 33:e00710. [PMID: 35242620 PMCID: PMC8858990 DOI: 10.1016/j.btre.2022.e00710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/17/2022] [Accepted: 02/08/2022] [Indexed: 01/01/2023]
Abstract
Chondroitin sulfate (CS) is a glycosaminoglycan with a growing variety of applications. CS can be produced from microbial fermentation of native or engineered strains. Synthetic biology tools are being used to improve CS yields in different hosts. Integrated polymerization and sulfation can generate cost-effective CS.
Chondroitin sulfate (CS) is a glycosaminoglycan with a broad range of applications being a popular dietary supplement for osteoarthritis. Usually, CS is extracted from animal sources. However, the known risks of animal products use have been driving the search for alternative methods and sources to obtain this compound. Several pathogenic bacteria naturally produce chondroitin-like polysaccharides through well-known pathways and, therefore, have been the basis for numerous studies that aim to produce chondroitin using non-pathogenic hosts. However, the yields obtained are not enough to meet the high demand for this glycosaminoglycan. Metabolic engineering strategies have been used to construct improved heterologous hosts. The identification of metabolic bottlenecks and regulation points, and the screening for efficient enzymes are key points for constructing microbial cell factories with improved chondroitin yields to achieve industrial CS production. The recent advances on enzymatic and microbial strategies to produce non-animal chondroitin are herein reviewed. Challenges and prospects for future research are also discussed.
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Affiliation(s)
- Márcia R. Couto
- Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS – Associate Laboratory, Braga, Guimarães, Portugal
| | - Joana L. Rodrigues
- Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS – Associate Laboratory, Braga, Guimarães, Portugal
- Corresponding author.
| | - Lígia R. Rodrigues
- Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS – Associate Laboratory, Braga, Guimarães, Portugal
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Nakanishi K, Higashi K, Toida T, Asai M. Characterization of chondroitin sulfate in stem cells derived from umbilical cord blood in rats. PLoS One 2022; 17:e0262854. [PMID: 35077481 PMCID: PMC8789104 DOI: 10.1371/journal.pone.0262854] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 01/06/2022] [Indexed: 11/26/2022] Open
Abstract
Chondroitin sulfate (CS) and its isomeric variant, dermatan sulfate (DS), are complex glycosaminoglycans (GAGs) which are ubiquitous components of the extracellular matrix in various tissues including the brain. CS and/or DS are known to bind to a variety of growth factors and regulate many cellular events such as proliferation and differentiation. Although the biological activities of CS and/or DS towards neural stem/progenitor cells (NSPCs) have been well investigated, the CS and/or DS of hematopoietic stem cells (HSCs) have not been fully characterized. Here, we analyzed GAGs on mononuclear cells of rat umbilical cord blood cells (UCB-MNCs). CS was detected in vascular intima and media of rat umbilical cord at embryonic day 19 (E19) by immunohistochemistry. The stem-cell-enriched-UCBCs (SCE-UCBCs), which were expanded from rat UCB-MNCs, expressed CS. CS chains are composed of repeating disaccharide units, which are classified into several types such as O-, A-, B-, C-, D-, and E-unit according to the number and positions of sulfation. A disaccharide composition analysis revealed that CS and/or DS were abundant in rat UCB-MNCs as well as in their expanded SCE-UCBCs, while the amount of heparan sulfate (HS) was less. The degree of sulfation of CS/DS was relatively low and the major component in UCB-MNCs and SCE-UCBCs was the A-unit. A colony-forming cell assay revealed that the percentage of colony-forming cells decreased in culture with CS degradation enzyme. The CS and/or DS of UCBCs may be involved in biological activities such as stem cell proliferation and/or differentiation.
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Affiliation(s)
- Keiko Nakanishi
- Department of Disease Model, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
- Department of Pediatrics, Central Hospital, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
- * E-mail:
| | - Kyohei Higashi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba, Japan
| | - Toshihiko Toida
- Center for Preventive Medical Sciences, Chiba University, Chuo-ku, Chiba, Japan
| | - Masato Asai
- Department of Disease Model, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
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Persson A, Nikpour M, Vorontsov E, Nilsson J, Larson G. Domain Mapping of Chondroitin/Dermatan Sulfate Glycosaminoglycans Enables Structural Characterization of Proteoglycans. Mol Cell Proteomics 2021; 20:100074. [PMID: 33757834 PMCID: PMC8724862 DOI: 10.1016/j.mcpro.2021.100074] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/22/2021] [Accepted: 03/17/2021] [Indexed: 12/20/2022] Open
Abstract
Of all posttranslational modifications known, glycosaminoglycans (GAGs) remain one of the most challenging to study, and despite the recent years of advancement in MS technologies and bioinformatics, detailed knowledge about the complete structures of GAGs as part of proteoglycans (PGs) is limited. To address this issue, we have developed a protocol to study PG-derived GAGs. Chondroitin/dermatan sulfate conjugates from the rat insulinoma cell line, INS-1832/13, known to produce primarily the PG chromogranin-A, were enriched by anion-exchange chromatography after pronase digestion. Following benzonase and hyaluronidase digestions, included in the sample preparation due to the apparent interference from oligonucleotides and hyaluronic acid in the analysis, the GAGs were orthogonally depolymerized and analyzed using nano-flow reversed-phase LC-MS/MS in negative mode. To facilitate the data interpretation, we applied an automated LC-MS peak detection and intensity measurement via the Proteome Discoverer software. This approach effectively provided a detailed structural description of the nonreducing end, internal, and linkage region domains of the CS/DS of chromogranin-A. The copolymeric CS/DS GAGs constituted primarily consecutive glucuronic-acid-containing disaccharide units, or CS motifs, of which the N-acetylgalactosamine residues were 4-O-sulfated, interspersed by single iduronic-acid-containing disaccharide units. Our data suggest a certain heterogeneity of the GAGs due to the identification of not only CS/DS GAGs but also of GAGs entirely of CS character. The presented protocol allows for the detailed characterization of PG-derived GAGs, which may greatly increase the knowledge about GAG structures in general and eventually lead to better understanding of how GAG structures are related to biological functions. Protocol developed to structurally characterize glycosaminoglycans of proteoglycans. Comprehensive characterization of cellular glycosaminoglycan structures. Relative quantification of nonreducing end, internal, and linkage region domains. Overall chondroitin/dermatan sulfate glycosaminoglycan structures of chromogranin-A.
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Affiliation(s)
- Andrea Persson
- Department of Laboratory Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden.
| | - Mahnaz Nikpour
- Department of Laboratory Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden
| | - Egor Vorontsov
- Proteomics Core Facility, Sahlgrenska Academy at the University of Gothenburg, Sweden
| | - Jonas Nilsson
- Department of Laboratory Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden; Proteomics Core Facility, Sahlgrenska Academy at the University of Gothenburg, Sweden; Laboratory of Clinical Chemistry, Sahlgrenska University Hospital, Västra Götaland Region, Sweden
| | - Göran Larson
- Department of Laboratory Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden; Laboratory of Clinical Chemistry, Sahlgrenska University Hospital, Västra Götaland Region, Sweden.
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Wang W, Shi L, Qin Y, Li F. Research and Application of Chondroitin Sulfate/Dermatan Sulfate-Degrading Enzymes. Front Cell Dev Biol 2021; 8:560442. [PMID: 33425887 PMCID: PMC7793863 DOI: 10.3389/fcell.2020.560442] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 11/05/2020] [Indexed: 01/11/2023] Open
Abstract
Chondroitin sulfate (CS) and dermatan sulfate (DS) are widely distributed on the cell surface and in the extracellular matrix in the form of proteoglycan, where they participate in various biological processes. The diverse functions of CS/DS can be mainly attributed to their high structural variability. However, their structural complexity creates a big challenge for structural and functional studies of CS/DS. CS/DS-degrading enzymes with different specific activities are irreplaceable tools that could be used to solve this problem. Depending on the site of action, CS/DS-degrading enzymes can be classified as glycosidic bond-cleaving enzymes and sulfatases from animals and microorganisms. As discussed in this review, a few of the identified enzymes, particularly those from bacteria, have wildly applied to the basic studies and applications of CS/DS, such as disaccharide composition analysis, the preparation of bioactive oligosaccharides, oligosaccharide sequencing, and potential medical application, but these do not fulfill all of the needs in terms of the structural complexity of CS/DS.
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Affiliation(s)
- Wenshuang Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, China
| | - Liran Shi
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, China
| | - Yong Qin
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, China
| | - Fuchuan Li
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, China
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Hayes AJ, Melrose J. Aggrecan, the Primary Weight-Bearing Cartilage Proteoglycan, Has Context-Dependent, Cell-Directive Properties in Embryonic Development and Neurogenesis: Aggrecan Glycan Side Chain Modifications Convey Interactive Biodiversity. Biomolecules 2020; 10:E1244. [PMID: 32867198 PMCID: PMC7564073 DOI: 10.3390/biom10091244] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/19/2020] [Accepted: 08/23/2020] [Indexed: 02/06/2023] Open
Abstract
This review examines aggrecan's roles in developmental embryonic tissues, in tissues undergoing morphogenetic transition and in mature weight-bearing tissues. Aggrecan is a remarkably versatile and capable proteoglycan (PG) with diverse tissue context-dependent functional attributes beyond its established role as a weight-bearing PG. The aggrecan core protein provides a template which can be variably decorated with a number of glycosaminoglycan (GAG) side chains including keratan sulphate (KS), human natural killer trisaccharide (HNK-1) and chondroitin sulphate (CS). These convey unique tissue-specific functional properties in water imbibition, space-filling, matrix stabilisation or embryonic cellular regulation. Aggrecan also interacts with morphogens and growth factors directing tissue morphogenesis, remodelling and metaplasia. HNK-1 aggrecan glycoforms direct neural crest cell migration in embryonic development and is neuroprotective in perineuronal nets in the brain. The ability of the aggrecan core protein to assemble CS and KS chains at high density equips cartilage aggrecan with its well-known water-imbibing and weight-bearing properties. The importance of specific arrangements of GAG chains on aggrecan in all its forms is also a primary morphogenetic functional determinant providing aggrecan with unique tissue context dependent regulatory properties. The versatility displayed by aggrecan in biodiverse contexts is a function of its GAG side chains.
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Affiliation(s)
- Anthony J Hayes
- Bioimaging Research Hub, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, Wales, UK
| | - James Melrose
- Raymond Purves Laboratory, Institute of Bone and Joint Research, Kolling Institute of Medical Research, Northern Sydney Local Health District, Royal North Shore Hospital, St. Leonards 2065, NSW, Australia
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney 2052, NSW, Australia
- Sydney Medical School, Northern, The University of Sydney, Faculty of Medicine and Health at Royal North Shore Hospital, St. Leonards 2065, NSW, Australia
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Abstract
Glycosaminoglycans (GAGs) and their low-molecular weight derivates have received considerable interest in terms of their potential clinical applications, and display a wide variety of pharmacological and pharmacokinetic properties. Structurally distinct GAG chains can be prepared by enzymatic depolymerization. A variety of bacterial chondroitin sulfate (CS) lyases have been identified, and have been widely used as catalysts in this process. Here, we identified a putative chondroitin AC exolyase gene, AschnAC, from an Arthrobacter sp. strain found in a CS manufacturing workshop. We expressed the enzyme, AsChnAC, recombinantly in Escherichia coli, then purified and characterized it in vitro. The enzyme indeed displayed exolytic cleavage activity toward HA and various CSs. Removing the putative N-terminal secretion signal peptide of AsChnAC improved its expression level in E. coli while maintaining chondroitin AC exolyase activity. This novel catalyst exhibited its optimal activity in the absence of added metal ions. AsChnAC has potential applications in preparation of low-molecular weight GAGs, making it an attractive catalyst for further investigation.
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12
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Chondroitin Sulfate-Degrading Enzymes as Tools for the Development of New Pharmaceuticals. Catalysts 2019. [DOI: 10.3390/catal9040322] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Chondroitin sulfates are linear anionic sulfated polysaccharides found in biological tissues, mainly within the extracellular matrix, which are degraded and altered by specific lyases depending on specific time points. These polysaccharides have recently acquired relevance in the pharmaceutical industry due to their interesting therapeutic applications. As a consequence, chondroitin sulfate (CS) lyases have been widely investigated as tools for the development of new pharmaceuticals based on these polysaccharides. This review focuses on the major breakthrough represented by chondroitin sulfate-degrading enzymes and their structures and mechanisms of function in addition to their major applications.
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13
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Fang Y, Yang S, Fu X, Xie W, Li L, Liu Z, Mou H, Zhu C. Expression, Purification and Characterization of Chondroitinase AC II from Marine Bacterium Arthrobacter sp. CS01. Mar Drugs 2019; 17:md17030185. [PMID: 30897810 PMCID: PMC6471956 DOI: 10.3390/md17030185] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/12/2019] [Accepted: 03/15/2019] [Indexed: 11/26/2022] Open
Abstract
Chondroitinase (ChSase), a type of glycosaminoglycan (GAG) lyase, can degrade chondroitin sulfate (CS) to unsaturate oligosaccharides, with various functional activities. In this study, ChSase AC II from a newly isolated marine bacterium Arthrobacter sp. CS01 was cloned, expressed in Pichia pastoris X33, purified, and characterized. ChSase AC II, with a molecular weight of approximately 100 kDa and a specific activity of 18.7 U/mg, showed the highest activity at 37 °C and pH 6.5 and maintained stability at a broad range of pH (5–7.5) and temperature (below 35 °C). The enzyme activity was increased in the presence of Mn2+ and was strongly inhibited by Hg2+. Moreover, the kinetic parameters of ChSase AC II against CS-A, CS-C, and HA were determined. TLC and ESI-MS analysis of the degradation products indicated that ChSase AC II displayed an exolytic action mode and completely hydrolyzed three substrates into oligosaccharides with low degrees of polymerization (DPs). All these features make ChSase AC II a promising candidate for the full use of GAG to produce oligosaccharides.
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Affiliation(s)
- Yangtao Fang
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Suxiao Yang
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Xiaodan Fu
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Wancui Xie
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Li Li
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Zhemin Liu
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Haijin Mou
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Changliang Zhu
- Laboratory of Applied Microbiology, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
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14
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Rani A, Rajulapati V, Goyal A. Antitumor effect of chondroitin AC lyase (PsPL8A) from Pedobacter saltans on melanoma and fibrosarcoma cell lines by in vitro analysis. Pharmacol Rep 2019; 71:167-174. [DOI: 10.1016/j.pharep.2018.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/03/2018] [Accepted: 10/19/2018] [Indexed: 10/28/2022]
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15
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Persson A, Ellervik U, Mani K. Fine-tuning the structure of glycosaminoglycans in living cells using xylosides. Glycobiology 2018; 28:499-511. [DOI: 10.1093/glycob/cwy049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/21/2018] [Indexed: 12/20/2022] Open
Affiliation(s)
- Andrea Persson
- Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Ulf Ellervik
- Center for Analysis and Synthesis, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden
| | - Katrin Mani
- Department of Experimental Medical Science, Lund University, Lund, Sweden
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16
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Persson A, Gomez Toledo A, Vorontsov E, Nasir W, Willén D, Noborn F, Ellervik U, Mani K, Nilsson J, Larson G. LC-MS/MS characterization of xyloside-primed glycosaminoglycans with cytotoxic properties reveals structural diversity and novel glycan modifications. J Biol Chem 2018; 293:10202-10219. [PMID: 29739851 DOI: 10.1074/jbc.ra118.002971] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/03/2018] [Indexed: 12/12/2022] Open
Abstract
Structural characterization of glycosaminoglycans remains a challenge but is essential for determining structure-function relationships between glycosaminoglycans and the biomolecules with which they interact and for gaining insight into the biosynthesis of glycosaminoglycans. We have recently reported that xyloside-primed chondroitin/dermatan sulfate derived from a human breast carcinoma cell line, HCC70, has cytotoxic effects and shown that it differs in disaccharide composition from nontoxic chondroitin/dermatan sulfate derived from a human breast fibroblast cell line, CCD-1095Sk. To further investigate the structural requirements for the cytotoxic effect, we developed a novel LC-MS/MS approach based on reversed-phase dibutylamine ion-pairing chromatography and negative-mode higher-energy collision dissociation and used it in combination with cell growth studies and disaccharide fingerprinting. This strategy enabled detailed structural characterization of linkage regions, internal oligosaccharides, and nonreducing ends, revealing not only differences between xyloside-primed chondroitin/dermatan sulfate from HCC70 cells and CCD-1095Sk cells, but also sialylation of the linkage region and previously undescribed methylation and sulfation of the nonreducing ends. Although the xyloside-primed chondroitin/dermatan sulfate from HCC70 cells was less complex in terms of presence and distribution of iduronic acid than that from CCD-1095Sk cells, both glucuronic acid and iduronic acid appeared to be essential for the cytotoxic effect. Our data have moved us one step closer to understanding the structure of the cytotoxic chondroitin/dermatan sulfate from HCC70 cells primed on xylosides and demonstrate the suitability of the LC-MS/MS approach for structural characterization of glycosaminoglycans.
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Affiliation(s)
- Andrea Persson
- From the Department of Experimental Medical Science, Lund University, SE-22184 Lund.,the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg
| | - Alejandro Gomez Toledo
- the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg
| | - Egor Vorontsov
- the Proteomics Core Facility, Sahlgrenska Academy at the University of Gothenburg, SE-40530 Gothenburg, and
| | - Waqas Nasir
- the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg
| | - Daniel Willén
- the Center for Analysis and Synthesis, Center for Chemistry and Chemical Engineering, Lund University, SE-22100 Lund, Sweden
| | - Fredrik Noborn
- the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg
| | - Ulf Ellervik
- the Center for Analysis and Synthesis, Center for Chemistry and Chemical Engineering, Lund University, SE-22100 Lund, Sweden
| | - Katrin Mani
- From the Department of Experimental Medical Science, Lund University, SE-22184 Lund
| | - Jonas Nilsson
- the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg
| | - Göran Larson
- the Department of Clinical Chemistry and Transfusion Medicine, University of Gothenburg, SE-41345 Gothenburg,
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17
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Fu J, Jiang Z, Chang J, Han B, Liu W, Peng Y. Purification, characterization of Chondroitinase ABC from Sphingomonas paucimobilis and in vitro cardiocytoprotection of the enzymatically degraded CS-A. Int J Biol Macromol 2018; 115:737-745. [PMID: 29702169 DOI: 10.1016/j.ijbiomac.2018.04.117] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 04/13/2018] [Accepted: 04/23/2018] [Indexed: 11/18/2022]
Abstract
An extracellular chondroitinase ABC (ChSase ABC) produced by Sphingomonas paucimobilis was purified to homogeneity through ammonium sulfate precipitation, DEAE-Sepharose Fast Flow and Sephadex G-100 chromatography. The molecular weight was 82.3 kDa. It showed specific lyase activity toward chondroitin sulfate A (CS-A), CS-B, CS-C and hyaluronan (HA). Using CS-A as substrate, the specific activity was 98.04 U/mg, the maximal reaction rate (Vmax) and Michaelis-Menten constant (Km) were 0.49 μmol/min/ml and 0.79 mg/ml, respectively. Highest activity was obtained at pH 6.5 and 40 °C, and Hg2+ could strongly inhibit the enzyme activity. Mass spectrometry analysis indicated CS-A was degraded to unsaturated disaccharides by ChSase ABC. In vitro cytotoxic tests showed that CS-A oligosaccharide at the concentration of 50 and 100 μg/ml could promote the proliferation of normal H9c2 myocardial cells, decrease the damage induced by isoproterenol (ISO) and accelerate the recovery of cells injured by ISO. These findings suggested that ChSase ABC from Sphingomonas paucimobilis could be a promising tool for the structural analysis and bioactive oligosaccharide preparation of glucosaminoglycans.
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Affiliation(s)
- Jingyun Fu
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China
| | - Zhiwen Jiang
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Oingdao 266235, PR China
| | - Jing Chang
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Oingdao 266235, PR China
| | - Baoqin Han
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Oingdao 266235, PR China
| | - Wanshun Liu
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Oingdao 266235, PR China
| | - Yanfei Peng
- College of Marine Life Sciences, Ocean University of China, Oingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Oingdao 266235, PR China.
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18
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Sequencing of chondroitin sulfate oligosaccharides using a novel exolyase from a marine bacterium that degrades hyaluronan and chondroitin sulfate/dermatan sulfate. Biochem J 2017; 474:3831-3848. [PMID: 28963345 DOI: 10.1042/bcj20170591] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/22/2017] [Accepted: 09/25/2017] [Indexed: 12/28/2022]
Abstract
Glycosaminoglycans (GAGs) are a family of chemically heterogeneous polysaccharides that play important roles in physiological and pathological processes. Owing to the structural complexity of GAGs, their sophisticated chemical structures and biological functions have not been extensively studied. Lyases that cleave GAGs are important tools for structural analysis. Although various GAG lyases have been identified, exolytic lyases with unique enzymatic property are urgently needed for GAG sequencing. In the present study, a putative exolytic GAG lyase from a marine bacterium was recombinantly expressed and characterized in detail. Since it showed exolytic lyase activity toward hyaluronan (HA), chondroitin sulfate (CS), and dermatan sulfate (DS), it was designated as HCDLase. This novel exolyase exhibited the highest activity in Tris-HCl buffer (pH 7.0) at 30°C. Especially, it showed a specific activity that released 2-aminobenzamide (2-AB)-labeled disaccharides from the reducing end of 2-AB-labeled CS oligosaccharides, which suggest that HCDLase is not only a novel exolytic lyase that can split disaccharide residues from the reducing termini of sugar chains but also a useful tool for the sequencing of CS chains. Notably, HCDLase could not digest 2-AB-labeled oligosaccharides from HA, DS, or unsulfated chondroitin, which indicated that sulfates and bond types affect the catalytic activity of HCDLase. Finally, this enzyme combined with CSase ABC was successfully applied for the sequencing of several CS hexa- and octasaccharides with complex structures. The identification of HCDLase provides a useful tool for CS-related research and applications.
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19
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Woznica A, Gerdt JP, Hulett RE, Clardy J, King N. Mating in the Closest Living Relatives of Animals Is Induced by a Bacterial Chondroitinase. Cell 2017; 170:1175-1183.e11. [PMID: 28867285 DOI: 10.1016/j.cell.2017.08.005] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/07/2017] [Accepted: 08/03/2017] [Indexed: 01/08/2023]
Abstract
We serendipitously discovered that the marine bacterium Vibrio fischeri induces sexual reproduction in one of the closest living relatives of animals, the choanoflagellate Salpingoeca rosetta. Although bacteria influence everything from nutrition and metabolism to cell biology and development in eukaryotes, bacterial regulation of eukaryotic mating was unexpected. Here, we show that a single V. fischeri protein, the previously uncharacterized EroS, fully recapitulates the aphrodisiac-like activity of live V. fischeri. EroS is a chondroitin lyase; although its substrate, chondroitin sulfate, was previously thought to be an animal synapomorphy, we demonstrate that S. rosetta produces chondroitin sulfate and thus extend the ancestry of this important glycosaminoglycan to the premetazoan era. Finally, we show that V. fischeri, purified EroS, and other bacterial chondroitin lyases induce S. rosetta mating at environmentally relevant concentrations, suggesting that bacteria likely regulate choanoflagellate mating in nature.
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Affiliation(s)
- Arielle Woznica
- Howard Hughes Medical Institute, and Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Joseph P Gerdt
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Ryan E Hulett
- Howard Hughes Medical Institute, and Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jon Clardy
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
| | - Nicole King
- Howard Hughes Medical Institute, and Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA.
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20
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Köwitsch A, Zhou G, Groth T. Medical application of glycosaminoglycans: a review. J Tissue Eng Regen Med 2017; 12:e23-e41. [DOI: 10.1002/term.2398] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 10/08/2016] [Accepted: 01/09/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Alexander Köwitsch
- Biomedical Materials Group, Institute of Pharmacy; Martin Luther University Halle-Wittenberg; Halle Germany
| | - Guoying Zhou
- Biomedical Materials Group, Institute of Pharmacy; Martin Luther University Halle-Wittenberg; Halle Germany
| | - Thomas Groth
- Biomedical Materials Group, Institute of Pharmacy; Martin Luther University Halle-Wittenberg; Halle Germany
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21
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Gu Y, Lu M, Wang Z, Wu X, Chen Y. Expanding the Catalytic Promiscuity of Heparinase III from Pedobacter heparinus. Chemistry 2017; 23:2548-2551. [DOI: 10.1002/chem.201605929] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Yayun Gu
- State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology; China Pharmaceutical University; 24 Tongjia St. Nanjing Jiangsu Province 210009 P. R. China
| | - Meiling Lu
- State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology; China Pharmaceutical University; 24 Tongjia St. Nanjing Jiangsu Province 210009 P. R. China
| | - Zongqiang Wang
- State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology; China Pharmaceutical University; 24 Tongjia St. Nanjing Jiangsu Province 210009 P. R. China
| | - Xuri Wu
- State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology; China Pharmaceutical University; 24 Tongjia St. Nanjing Jiangsu Province 210009 P. R. China
| | - Yijun Chen
- State Key Laboratory of Natural Medicines and Laboratory of Chemical Biology; China Pharmaceutical University; 24 Tongjia St. Nanjing Jiangsu Province 210009 P. R. China
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22
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A new member of family 8 polysaccharide lyase chondroitin AC lyase ( Ps PL8A) from Pedobacter saltans displays endo- and exo-lytic catalysis. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.11.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Hyaluronidase and Chondroitinase. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 925:75-87. [DOI: 10.1007/5584_2016_54] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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24
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Wu J, Ji Y, Su N, Li Y, Liu X, Mei X, Zhou Q, Zhang C, Xing XH. Establishment of chondroitin B lyase-based analytical methods for sensitive and quantitative detection of dermatan sulfate in heparin. Carbohydr Polym 2016; 144:338-45. [PMID: 27083825 DOI: 10.1016/j.carbpol.2016.02.074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 02/13/2016] [Accepted: 02/25/2016] [Indexed: 11/15/2022]
Abstract
Dermatan sulfate (DS) is one of the hardest impurities to remove from heparin products due to their high structural similarity. The development of a sensitive and feasible method for quantitative detection of DS in heparin is essential to ensure the clinical safety of heparin pharmaceuticals. In the current study, based on the substrate specificity of chondroitin B lyase, ultraviolet spectrophotometric and strong anion-exchange high-performance liquid chromatographic methods were established for detection of DS in heparin. The former method facilitated analysis in heparin with DS concentrations greater than 0.1mgmL(-1) at 232nm, with good linearity, precision and recovery. The latter method allowed sensitive and accurate detection of DS at concentrations lower than 0.1mgmL(-1), exhibiting good linearity, precision and recovery. The linear range of DS detection using the latter method was between 0.01 and 0.5mgmL(-1).
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Affiliation(s)
- Jingjun Wu
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China; Product Research and Development Center, Yichang Humanwell Pharmaceutical Co., Ltd., No.19, Dalian Road, Yichang Development Zone, Yichang, Hubei 443005, People's Republic of China.
| | - Yang Ji
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Nan Su
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Ye Li
- Department of Biotechnology, Beijing Electronic Science and Technology Vocational College, 1A Shaoyaoju, Chaoyang, Beijing 100029, People's Republic of China.
| | - Xinxin Liu
- Department of Biotechnology, Beijing Electronic Science and Technology Vocational College, 1A Shaoyaoju, Chaoyang, Beijing 100029, People's Republic of China.
| | - Xiang Mei
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Qianqian Zhou
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Chong Zhang
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Xin-hui Xing
- Key Laboratory for Industrial Biocatalysis, Ministry of Education, Institute of Biochemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, People's Republic of China.
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25
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Persson A, Tykesson E, Westergren-Thorsson G, Malmström A, Ellervik U, Mani K. Xyloside-primed Chondroitin Sulfate/Dermatan Sulfate from Breast Carcinoma Cells with a Defined Disaccharide Composition Has Cytotoxic Effects in Vitro. J Biol Chem 2016; 291:14871-82. [PMID: 27226567 DOI: 10.1074/jbc.m116.716829] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Indexed: 11/06/2022] Open
Abstract
We previously reported that the xyloside 2-(6-hydroxynaphthyl) β-d-xylopyranoside (XylNapOH), in contrast to 2-naphthyl β-d-xylopyranoside (XylNap), specifically reduces tumor growth both in vitro and in vivo Although there are indications that this could be mediated by the xyloside-primed glycosaminoglycans (GAGs) and that these differ in composition depending on xyloside and cell type, detailed knowledge regarding a structure-function relationship is lacking. In this study we isolated XylNapOH- and XylNap-primed GAGs from a breast carcinoma cell line, HCC70, and a breast fibroblast cell line, CCD-1095Sk, and demonstrated that both XylNapOH- and XylNap-primed chondroitin sulfate/dermatan sulfate GAGs derived from HCC70 cells had a cytotoxic effect on HCC70 cells and CCD-1095Sk cells. The cytotoxic effect appeared to be mediated by induction of apoptosis and was inhibited in a concentration-dependent manner by the XylNap-primed heparan sulfate GAGs. In contrast, neither the chondroitin sulfate/dermatan sulfate nor the heparan sulfate derived from CCD-1095Sk cells primed on XylNapOH or XylNap had any effect on the growth of HCC70 cells or CCD-105Sk cells. These observations were related to the disaccharide composition of the XylNapOH- and XylNap-primed GAGs, which differed between the two cell lines but was similar when the GAGs were derived from the same cell line. To our knowledge this is the first report on cytotoxic effects mediated by chondroitin sulfate/dermatan sulfate.
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Affiliation(s)
| | - Emil Tykesson
- From the Department of Experimental Medical Science and
| | | | | | - Ulf Ellervik
- the Centre for Analysis and Synthesis, Centre for Chemistry and Chemical Engineering, Lund University, SE-221 84 Lund, Sweden
| | - Katrin Mani
- From the Department of Experimental Medical Science and
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26
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Yin FX, Wang FS, Sheng JZ. Uncovering the Catalytic Direction of Chondroitin AC Exolyase: FROM THE REDUCING END TOWARDS THE NON-REDUCING END. J Biol Chem 2016; 291:4399-406. [PMID: 26742844 DOI: 10.1074/jbc.c115.708396] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Indexed: 01/08/2023] Open
Abstract
Glycosaminoglycans (GAGs) are polysaccharides that play vital functional roles in numerous biological processes, and compounds belonging to this class have been implicated in a wide variety of diseases. Chondroitin AC lyase (ChnAC) (EC 4.2.2.5) catalyzes the degradation of various GAGs, including chondroitin sulfate and hyaluronic acid, to give the corresponding disaccharides containing an Δ(4)-unsaturated uronic acid at their non-reducing terminus. ChnAC has been isolated from various bacteria and utilized as an enzymatic tool for study and evaluating the sequencing of GAGs. Despite its substrate specificity and the fact that its crystal structure has been determined to a high resolution, the direction in which ChnAC catalyzes the cleavage of oligosaccharides remain unclear. Herein, we have determined the structural cues of substrate depolymerization and the cleavage direction of ChnAC using model substrates and recombinant ChnAC protein. Several structurally defined oligosaccharides were synthesized using a chemoenzymatic approach and subsequently cleaved using ChnAC. The degradation products resulting from this process were determined by mass spectrometry. The results revealed that ChnAC cleaved the β1,4-glycosidic linkages between glucuronic acid and glucosamine units when these bonds were located on the reducing end of the oligosaccharide. In contrast, the presence of a GlcNAc-α-1,4-GlcA unit at the reducing end of the oligosaccharide prevented ChnAC from cleaving the GalNAc-β1,4-GlcA moiety located in the middle or at the non-reducing end of the chain. These interesting results therefore provide direct proof that ChnAC cleaves oligosaccharide substrates from their reducing end toward their non-reducing end. This conclusion will therefore enhance our collective understanding of the mode of action of ChnAC.
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Affiliation(s)
- Feng-Xin Yin
- From the Key Laboratory of Chemical Biology of Natural Products (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China and
| | - Feng-Shan Wang
- From the Key Laboratory of Chemical Biology of Natural Products (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China and National Glycoengineering Research Center, Shandong University, Jinan 250012, China
| | - Ju-Zheng Sheng
- From the Key Laboratory of Chemical Biology of Natural Products (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China and National Glycoengineering Research Center, Shandong University, Jinan 250012, China
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27
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Han W, Wang W, Zhao M, Sugahara K, Li F. A novel eliminase from a marine bacterium that degrades hyaluronan and chondroitin sulfate. J Biol Chem 2014; 289:27886-98. [PMID: 25122756 DOI: 10.1074/jbc.m114.590752] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Lyases cleave glycosaminoglycans (GAGs) in an eliminative mechanism and are important tools for the structural analysis and oligosaccharide preparation of GAGs. Various GAG lyases have been identified from terrestrial but not marine organisms even though marine animals are rich in GAGs with unique structures and functions. Herein we isolated a novel GAG lyase for the first time from the marine bacterium Vibrio sp. FC509 and then recombinantly expressed and characterized it. It showed strong lyase activity toward hyaluronan (HA) and chondroitin sulfate (CS) and was designated as HA and CS lyase (HCLase). It exhibited the highest activities to both substrates at pH 8.0 and 0.5 m NaCl at 30 °C. Its activity toward HA was less sensitive to pH than its CS lyase activity. As with most other marine enzymes, HCLase is a halophilic enzyme and very stable at temperatures from 0 to 40 °C for up to 24 h, but its activity is independent of divalent metal ions. The specific activity of HCLase against HA and CS reached a markedly high level of hundreds of thousands units/mg of protein under optimum conditions. The HCLase-resistant tetrasaccharide Δ(4,5)HexUAα1-3GalNAc(6-O-sulfate)β1-4GlcUA(2-O-sulfate)β1-3GalNAc(6-O-sulfate) was isolated from CS-D, the structure of which indicated that HCLase could not cleave the galactosaminidic linkage bound to 2-O-sulfated d-glucuronic acid (GlcUA) in CS chains. Site-directed mutagenesis indicated that HCLase may work via a catalytic mechanism in which Tyr-His acts as the Brønsted base and acid. Thus, the identification of HCLase provides a useful tool for HA- and CS-related research and applications.
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Affiliation(s)
- Wenjun Han
- From the National Glycoengineering Research Center, and State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China and
| | - Wenshuang Wang
- From the National Glycoengineering Research Center, and State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China and
| | - Mei Zhao
- From the National Glycoengineering Research Center, and State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China and
| | - Kazuyuki Sugahara
- Proteoglycan Signaling and Therapeutics Research Group, Faculty of Advanced Life Science, Hokkaido University Graduate School of Life Science, Sapporo 001-0021, Japan
| | - Fuchuan Li
- From the National Glycoengineering Research Center, and State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, China and
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Raghavan V, Lowe EC, Townsend GE, Bolam DN, Groisman EA. Tuning transcription of nutrient utilization genes to catabolic rate promotes growth in a gut bacterium. Mol Microbiol 2014; 93:1010-25. [PMID: 25041429 DOI: 10.1111/mmi.12714] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2014] [Indexed: 01/30/2023]
Abstract
Cells respond to nutrient availability by expressing nutrient catabolic genes. We report that the regulator controlling utilization of chondroitin sulphate (CS) in the mammalian gut symbiont Bacteroides thetaiotaomicron is activated by an intermediate in CS breakdown rather than CS itself. We determine that the rate-determining enzyme in CS breakdown is responsible for degrading this intermediate and establish that the levels of the enzyme increase 100-fold, whereas those of the regulator remain constant upon exposure to CS. Because enzyme and regulator compete for the intermediate, B. thetaiotaomicron tunes transcription of CS utilization genes to CS catabolic rate. This tuning results in a transient increase in CS utilization transcripts upon exposure to excess CS. Constitutive expression of the rate-determining enzyme hindered activation of CS utilization genes and growth on CS. An analogous mechanism regulates heparin utilization genes, suggesting that the identified strategy aids B. thetaiotaomicron in the competitive gut environment.
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Affiliation(s)
- Varsha Raghavan
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, 63105, USA
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29
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Schiller J, Huster D. New methods to study the composition and structure of the extracellular matrix in natural and bioengineered tissues. BIOMATTER 2014; 2:115-31. [PMID: 23507863 PMCID: PMC3549865 DOI: 10.4161/biom.20866] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The extracellular matrix (ECM) comprises a gel of numerous biopolymers that occurs in a multitude of biological tissues. The ECM provides the basic support and mechanical strength of skeletal tissue and is responsible for shape retention. At the same time, the ECM is responsible for the viscoelastic properties and the elasticity of soft tissues. As expected, there are several important diseases that affect and degenerate the ECM with severe consequences for its properties. Bioengineering is a promising approach to support the regenerative capacity of the body. Unfortunately, the biomechanical properties of bioengineered ECM often only poorly meet the standards of their native counterparts. Many bioengineered tissues are characterized by an increased glycosaminoglycan (GAG) but decreased collagen content. This leads to an enhanced water content that strongly alters the viscoelastic and thus the biomechanical properties. Therefore, compositional analysis is important to estimate the tissue quality. We will show that nuclear magnetic resonance (NMR) spectroscopy and soft-ionization mass spectrometry (MS) represent useful techniques for ECM research both in natural and bioengineered tissues. Both methods are strongly complimentary: while MS techniques such as matrix-assisted laser desorption and ionization (MALDI) are excellent and very sensitive analytical tools to determine the collagen and the GAG contents of tissues, NMR spectroscopy provides insight into the molecular architecture of the ECM, its dynamics and other important parameters such as the water content of the tissue as well as the diffusion of molecules within the ECM.
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Affiliation(s)
- Jürgen Schiller
- University of Leipzig, Medical Faculty, Institute of Medical Physics and Biophysics, Leipzig, Germany.
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30
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Nakamichi Y, Mikami B, Murata K, Hashimoto W. Crystal structure of a bacterial unsaturated glucuronyl hydrolase with specificity for heparin. J Biol Chem 2014; 289:4787-97. [PMID: 24403065 DOI: 10.1074/jbc.m113.522573] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Extracellular matrix molecules such as glycosaminoglycans (GAGs) are typical targets for some pathogenic bacteria, which allow adherence to host cells. Bacterial polysaccharide lyases depolymerize GAGs in β-elimination reactions, and the resulting unsaturated disaccharides are subsequently degraded to constituent monosaccharides by unsaturated glucuronyl hydrolases (UGLs). UGL substrates are classified as 1,3- and 1,4-types based on the glycoside bonds. Unsaturated chondroitin and heparin disaccharides are typical members of 1,3- and 1,4-types, respectively. Here we show the reaction modes of bacterial UGLs with unsaturated heparin disaccharides by x-ray crystallography, docking simulation, and site-directed mutagenesis. Although streptococcal and Bacillus UGLs were active on unsaturated heparin disaccharides, those preferred 1,3- rather than 1,4-type substrates. The genome of GAG-degrading Pedobacter heparinus encodes 13 UGLs. Of these, Phep_2830 is known to be specific for unsaturated heparin disaccharides. The crystal structure of Phep_2830 was determined at 1.35-Å resolution. In comparison with structures of streptococcal and Bacillus UGLs, a pocket-like structure and lid loop at subsite +1 are characteristic of Phep_2830. Docking simulations of Phep_2830 with unsaturated heparin disaccharides demonstrated that the direction of substrate pyranose rings differs from that in unsaturated chondroitin disaccharides. Acetyl groups of unsaturated heparin disaccharides are well accommodated in the pocket at subsite +1, and aromatic residues of the lid loop are required for stacking interactions with substrates. Thus, site-directed mutations of the pocket and lid loop led to significantly reduced enzyme activity, suggesting that the pocket-like structure and lid loop are involved in the recognition of 1,4-type substrates by UGLs.
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Affiliation(s)
- Yusuke Nakamichi
- From the Laboratory of Basic and Applied Molecular Biotechnology, Division of Food Science and Biotechnology, Graduate School of Agriculture, and
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31
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Ramachandra R, Namburi RB, Ortega-Martinez O, Shi X, Zaia J, Dupont ST, Thorndyke MC, Lindahl U, Spillmann D. Brittlestars contain highly sulfated chondroitin sulfates/dermatan sulfates that promote fibroblast growth factor 2-induced cell signaling. Glycobiology 2013; 24:195-207. [PMID: 24253764 DOI: 10.1093/glycob/cwt100] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Glycosaminoglycans (GAGs) isolated from brittlestars, Echinodermata class Ophiuroidea, were characterized, as part of attempts to understand the evolutionary development of these polysaccharides. A population of chondroitin sulfate/dermatan sulfate (CS/DS) chains with a high overall degree of sulfation and hexuronate epimerization was the major GAG found, whereas heparan sulfate (HS) was below detection level. Enzymatic digestion with different chondroitin lyases revealed exceptionally high proportions of di- and trisulfated CS/DS disaccharides. The latter unit appears much more abundant in one of four individual species of brittlestars, Amphiura filiformis, than reported earlier in other marine invertebrates. The brittlestar CS/DS was further shown to bind to growth factors such as fibroblast growth factor 2 and to promote FGF-stimulated cell signaling in GAG-deficient cell lines in a manner similar to that of heparin. These findings point to a potential biological role for the highly sulfated invertebrate GAGs, similar to those ascribed to HS in vertebrates.
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Affiliation(s)
- Rashmi Ramachandra
- Department of Medical Biochemistry and Microbiology, The Biomedical Center, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden
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32
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Kawaguchi Y, Sugiura N, Kimata K, Kimura M, Kakuta Y. The crystal structure of novel chondroitin lyase ODV-E66, a baculovirus envelope protein. FEBS Lett 2013; 587:S0014-5793(13)00778-3. [PMID: 24512853 DOI: 10.1016/j.febslet.2013.10.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 10/01/2013] [Accepted: 10/15/2013] [Indexed: 11/28/2022]
Abstract
Chondroitin lyases have been known as pathogenic bacterial enzymes that degrade chondroitin. Recently, baculovirus envelope protein ODV-E66 was identified as the first reported viral chondroitin lyase. ODV-E66 has low sequence identity with bacterial lyases at <12%, and unique characteristics reflecting the life cycle of baculovirus. To understand ODV-E66's structural basis, the crystal structure was determined and it was found that the structural fold resembled that of polysaccharide lyase 8 proteins and that the catalytic residues were also conserved. This structure enabled discussion of the unique substrate specificity and the stability of ODV-E66 as well as the host specificity of baculovirus.
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Affiliation(s)
- Yoshirou Kawaguchi
- Laboratory of Structural Biology, Graduate School of System Life Sciences, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Nobuo Sugiura
- Institute for Molecular Science of Medicine, Aichi Medical University, 1-1 Yazakokarimata, Nagakute, Aichi 480-1195, Japan
| | - Koji Kimata
- Research Complex for the Medicine Frontiers, Aichi Medical University, 1-1 Yazakokarimata, Nagakute, Aichi 480-1195, Japan
| | - Makoto Kimura
- Laboratory of Structural Biology, Graduate School of System Life Sciences, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan; Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Yoshimitu Kakuta
- Laboratory of Structural Biology, Graduate School of System Life Sciences, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan; Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan.
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33
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Nakamichi Y, Maruyama Y, Mikami B, Hashimoto W, Murata K. Structural determinants in streptococcal unsaturated glucuronyl hydrolase for recognition of glycosaminoglycan sulfate groups. J Biol Chem 2011; 286:6262-71. [PMID: 21147778 PMCID: PMC3057837 DOI: 10.1074/jbc.m110.182618] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2010] [Revised: 11/23/2010] [Indexed: 11/06/2022] Open
Abstract
Pathogenic Streptococcus agalactiae produces polysaccharide lyases and unsaturated glucuronyl hydrolase (UGL), which are prerequisite for complete degradation of mammalian extracellular matrices, including glycosaminoglycans such as chondroitin and hyaluronan. Unlike the Bacillus enzyme, streptococcal UGLs prefer sulfated glycosaminoglycans. Here, we show the loop flexibility for substrate binding and structural determinants for recognition of glycosaminoglycan sulfate groups in S. agalactiae UGL (SagUGL). UGL also degraded unsaturated heparin disaccharides; this indicates that the enzyme released unsaturated iduronic and glucuronic acids from substrates. We determined the crystal structures of SagUGL wild-type enzyme and both substrate-free and substrate-bound D175N mutants by x-ray crystallography and noted that the loop over the active cleft exhibits flexible motion for substrate binding. Several residues in the active cleft bind to the substrate, unsaturated chondroitin disaccharide with a sulfate group at the C-6 position of GalNAc residue. The sulfate group is hydrogen-bonded to Ser-365 and Ser-368 and close to Lys-370. As compared with wild-type enzyme, S365H, S368G, and K370I mutants exhibited higher Michaelis constants toward the substrate. The conversion of SagUGL to Bacillus sp. GL1 UGL-like enzyme via site-directed mutagenesis demonstrated that Ser-365 and Lys-370 are essential for direct binding and for electrostatic interaction, respectively, for recognition of the sulfate group by SagUGL. Molecular conversion was also achieved in SagUGL Arg-236 with an affinity for the sulfate group at the C-4 position of the GalNAc residue. These residues binding to sulfate groups are frequently conserved in pathogenic bacterial UGLs, suggesting that the motif "R-//-SXX(S)XK" (where the hyphen and slash marks in the motif indicate the presence of over 100 residues in the enzyme and parentheses indicate that Ser-368 makes little contribution to enzyme activity) is crucial for degradation of sulfated glycosaminoglycans.
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Affiliation(s)
- Yusuke Nakamichi
- From the Laboratories of Basic and Applied Molecular Biotechnology and
| | - Yukie Maruyama
- From the Laboratories of Basic and Applied Molecular Biotechnology and
| | - Bunzo Mikami
- Applied Structural Biology, Graduate School of Agriculture, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Wataru Hashimoto
- From the Laboratories of Basic and Applied Molecular Biotechnology and
| | - Kousaku Murata
- From the Laboratories of Basic and Applied Molecular Biotechnology and
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34
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Akatsu C, Mizumoto S, Kaneiwa T, Maccarana M, Malmström A, Yamada S, Sugahara K. Dermatan sulfate epimerase 2 is the predominant isozyme in the formation of the chondroitin sulfate/dermatan sulfate hybrid structure in postnatal developing mouse brain. Glycobiology 2010; 21:565-74. [DOI: 10.1093/glycob/cwq208] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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35
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Garron ML, Cygler M. Structural and mechanistic classification of uronic acid-containing polysaccharide lyases. Glycobiology 2010; 20:1547-73. [PMID: 20805221 DOI: 10.1093/glycob/cwq122] [Citation(s) in RCA: 183] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Polysaccharide lyases (PLs) have been assigned to 21 families based on their sequences, with ~ 50 singletons awaiting further classification. For 19 of these families, the structure of at least one protein is known. In this review, we have analyzed the available structural information and show that presently known PL families belong to six general folds. Only two general catalytic mechanisms have been observed among these PLs: (1) metal-assisted neutralization of the acidic group of the sugar next to the cleaved bond, with, rather unusually, arginine or lysine playing the role of Brønsted base and (2) neutralization of the acidic group on the sugar by a close approach of an amino or acidic group forcing its protonation and Tyr or Tyr-His acting as the Brønsted base and acid.
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Affiliation(s)
- Marie-Line Garron
- Department of Biochemistry, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec, Canada H3G 1Y6
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36
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Miyake N, Kosho T, Mizumoto S, Furuichi T, Hatamochi A, Nagashima Y, Arai E, Takahashi K, Kawamura R, Wakui K, Takahashi J, Kato H, Yasui H, Ishida T, Ohashi H, Nishimura G, Shiina M, Saitsu H, Tsurusaki Y, Doi H, Fukushima Y, Ikegawa S, Yamada S, Sugahara K, Matsumoto N. Loss-of-function mutations of CHST14 in a new type of Ehlers-Danlos syndrome. Hum Mutat 2010; 31:966-74. [PMID: 20533528 DOI: 10.1002/humu.21300] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Ehlers-Danlos syndrome (EDS) is a heterogeneous connective tissue disorder involving skin and joint laxity and tissue fragility. A new type of EDS, similar to kyphoscoliosis type but without lysyl hydroxylase deficiency, has been investigated. We have identified a homozygous CHST14 (carbohydrate sulfotransferase 14) mutation in the two familial cases and compound heterozygous mutations in four sporadic cases. CHST14 encodes dermatan 4-O-sulfotransferase 1 (D4ST1), which transfers active sulfate from 3'-phosphoadenosine 5'-phosphosulfate to position 4 of the N-acetyl-D-galactosamine (GalNAc) residues of dermatan sulfate (DS). Transfection experiments of mutants and enzyme assays using fibroblast lysates of patients showed the loss of D4ST1 activity. CHST14 mutations altered the glycosaminoglycan (GAG) components in patients' fibroblasts. Interestingly, DS of decorin proteoglycan, a key regulator of collagen fibril assembly, was completely lost and replaced by chondroitin sulfate (CS) in the patients' fibroblasts, leading to decreased flexibility of GAG chains. The loss of the decorin DS proteoglycan due to CHST14 mutations may preclude proper collagen bundle formation or maintenance of collagen bundles while the sizes and shapes of collagen fibrils are unchanged as observed in the patients' dermal tissues. These findings indicate the important role of decorin DS in the extracellular matrix and a novel pathomechanism in EDS.
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Affiliation(s)
- Noriko Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan.
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37
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Nimptsch K, Süß R, Riemer T, Nimptsch A, Schnabelrauch M, Schiller J. Differently complex oligosaccharides can be easily identified by matrix-assisted laser desorption and ionization time-of-flight mass spectrometry directly from a standard thin-layer chromatography plate. J Chromatogr A 2010; 1217:3711-5. [DOI: 10.1016/j.chroma.2010.04.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2010] [Revised: 03/29/2010] [Accepted: 04/06/2010] [Indexed: 10/19/2022]
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38
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Dreyfuss JL, Veiga SS, Coulson-Thomas VJ, Santos IA, Toma L, Coletta RD, Nader HB. Differences in the expression of glycosaminoglycans in human fibroblasts derived from gingival overgrowths is related to TGF-beta up-regulation. Growth Factors 2010; 28:24-33. [PMID: 19886734 DOI: 10.3109/08977190903321819] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Glycosaminoglycans (GAGs) play important roles in cell behavior and have the ability to bind and modulate cytokines. Using primary cultured fibroblasts from hereditary gingival fibromatosis (HGF), normal gingiva (NG), and NG treated with cyclosporin-A (NGc) we show changes in the expression and structural characteristics of GAGs as well as in the expression of enzymes involved in their biosynthesis and degradation. In addition, we show the over-expression of TGF-beta1 and TGF-beta type II receptor in HGF and NGc. There is an increase in the GAGs retained in the cellular fraction, and the fine structure of galactosaminoglycans show a decrease in alpha-l-iduronic acid content in HGF and NGc. Elevated extracellular levels of low molecular weight hyaluronan (HA) are found in HGF due to increase in the expression of HA synthase 3 and hyaluronidases 1 and 2. The results bring new insights to the accumulation of extracellular matrix related to TGF-beta over-expression.
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Affiliation(s)
- Juliana L Dreyfuss
- Disciplina de Biologia Molecular, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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39
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Han YH, Garron ML, Kim HY, Kim WS, Zhang Z, Ryu KS, Shaya D, Xiao Z, Cheong C, Kim YS, Linhardt RJ, Jeon YH, Cygler M. Structural snapshots of heparin depolymerization by heparin lyase I. J Biol Chem 2009; 284:34019-27. [PMID: 19801541 DOI: 10.1074/jbc.m109.025338] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Heparin lyase I (heparinase I) specifically depolymerizes heparin, cleaving the glycosidic linkage next to iduronic acid. Here, we show the crystal structures of heparinase I from Bacteroides thetaiotaomicron at various stages of the reaction with heparin oligosaccharides before and just after cleavage and product disaccharide. The heparinase I structure is comprised of a beta-jellyroll domain harboring a long and deep substrate binding groove and an unusual thumb-resembling extension. This thumb, decorated with many basic residues, is of particular importance in activity especially on short heparin oligosaccharides. Unexpected structural similarity of the active site to that of heparinase II with an (alpha/alpha)(6) fold is observed. Mutational studies and kinetic analysis of this enzyme provide insights into the catalytic mechanism, the substrate recognition, and processivity.
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Affiliation(s)
- Young-Hyun Han
- Magnetic Resonance Team, Korea Basic Science Institute, Ochang, Chungbuk 363-883, Korea
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40
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Maruyama Y, Nakamichi Y, Itoh T, Mikami B, Hashimoto W, Murata K. Substrate specificity of streptococcal unsaturated glucuronyl hydrolases for sulfated glycosaminoglycan. J Biol Chem 2009; 284:18059-69. [PMID: 19416976 PMCID: PMC2709336 DOI: 10.1074/jbc.m109.005660] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Revised: 04/08/2009] [Indexed: 11/06/2022] Open
Abstract
Unsaturated glucuronyl hydrolase (UGL) categorized into the glycoside hydrolase family 88 catalyzes the hydrolytic release of an unsaturated glucuronic acid from glycosaminoglycan disaccharides, which are produced from mammalian extracellular matrices through the beta-elimination reaction of polysaccharide lyases. Here, we show enzyme characteristics of pathogenic streptococcal UGLs and structural determinants for the enzyme substrate specificity. The putative genes for UGL and phosphotransferase system for amino sugar, a component of glycosaminoglycans, are assembled into a cluster in the genome of pyogenic and hemolytic streptococci such as Streptococcus agalactiae, Streptococcus pneumoniae, and Streptococcus pyogenes, which produce extracellular hyaluronate lyase as a virulent factor. The UGLs of these three streptococci were overexpressed in Escherichia coli cells, purified, and characterized. Streptococcal UGLs degraded unsaturated hyaluronate and chondroitin disaccharides most efficiently at approximately pH 5.5 and 37 degrees C. Distinct from Bacillus sp. GL1 UGL, streptococcal UGLs preferred sulfated substrates. DNA microarray and Western blotting indicated that the enzyme was constitutively expressed in S. agalactiae cells, although the expression level increased in the presence of glycosaminoglycan. The crystal structure of S. agalactiae UGL (SagUGL) was determined at 1.75 A resolution by x-ray crystallography. SagUGL adopts alpha(6)/alpha(6)-barrel structure as a basic scaffold similar to Bacillus UGL, but the arrangement of amino acid residues in the active site differs between the two. SagUGL Arg-236 was found to be one of the residues involved in its activity for the sulfated substrate through structural comparison and site-directed mutagenesis. This is the first report on the structure and function of streptococcal UGLs.
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Affiliation(s)
- Yukie Maruyama
- From the Laboratory of Basic and Applied Molecular Biotechnology, and
| | - Yusuke Nakamichi
- From the Laboratory of Basic and Applied Molecular Biotechnology, and
| | - Takafumi Itoh
- From the Laboratory of Basic and Applied Molecular Biotechnology, and
| | - Bunzo Mikami
- the Laboratory of Applied Structural Biology, Graduate School of Agriculture, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Wataru Hashimoto
- From the Laboratory of Basic and Applied Molecular Biotechnology, and
| | - Kousaku Murata
- From the Laboratory of Basic and Applied Molecular Biotechnology, and
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41
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Liquid chromatography-mass spectrometry to study chondroitin lyase action pattern. Anal Biochem 2008; 385:57-64. [PMID: 18992215 DOI: 10.1016/j.ab.2008.10.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2008] [Revised: 10/08/2008] [Accepted: 10/13/2008] [Indexed: 12/12/2022]
Abstract
Liquid chromatography-mass spectrometry was applied to determine the action pattern of different chondroitin lyases. Two commercial enzymes, chondroitinase ABC (Proteus vulgaris) and chondroitinase ACII (Arthrobacter aurescens), having action patterns previously determined by viscosimetry and gel electrophoresis were first examined. Next, the action patterns of recombinant lyases, chondroitinase ABC from Bacteroides thetaiotaomicron (expressed in Escherichia coli) and chondroitinase AC from Flavobacterium heparinum (expressed in its original host), were examined. Chondroitin sulfate A (CS-A, also known as chondroitin-4-sulfate) was used as the substrate for these four lyases. Aliquots taken at various time points were analyzed. The products of chondroitinase ABC (P. vulgaris) and chondroitinase AC (F. heparinum) contained unsaturated oligosaccharides of sizes ranging from disaccharide to decasaccharide, demonstrating that both are endolytic enzymes. The products afforded by chondroitinase ABC (B. thetaiotaomicron) and chondroitinase ACII (A. aurescens) contained primarily unsaturated disaccharide. These two exolytic enzymes showed different minor products, suggesting some subtle specificity differences between the actions of these two exolytic lyases on chondroitin sulfate A.
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van Roij MHH, Mizumoto S, Yamada S, Morgan T, Tan-Sindhunata MB, Meijers-Heijboer H, Verbeke JILM, Markie D, Sugahara K, Robertson SP. Spondyloepiphyseal dysplasia, Omani type: further definition of the phenotype. Am J Med Genet A 2008; 146A:2376-84. [PMID: 18698629 DOI: 10.1002/ajmg.a.32482] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Spondyloepiphyseal dysplasia (SED), Omani type (OMIM 608637) is a recessively inherited skeletal dysplasia previously described in two distantly related families from the Republic of Oman. The phenotype consists of short stature, severe kyphoscoliosis, arthritic joints (elbows, wrists, knees), secondary large joint dislocations, rhizomelia, fusion of carpal bones and mild brachydactyly. Affected individuals were homozygous for a missense mutation, R304Q in CHST3 that encodes the enzyme chondroitin 6-O-sulfotransferase-1 (C6ST-1). This enzyme mediates the sulfation of proteoglycans, particularly chondroitin sulfate (CS), in the extracellular matrix of cartilage. Here we describe the identification of a mutation (857T > C predicting the substitution L286P) in CHST3 in a Turkish family and extend the clinical phenotype of SED-Omani type to include congenital joint dislocation, club feet, ventricular septal defect, deafness, metacarpal shortening and accessory carpal ossification centers. Fibroblasts and urine obtained from affected patients demonstrated negligible levels of 6-O-sulfated GalNAc residue in CS. Furthermore, the 6-O-sulfotransferase activity of cloned C6ST-1 into which the L286P mutation had been introduced was dramatically reduced, confirming the pathogenicity of this substitution. These results indicate that the clinical consequences of a deficiency of 6-O-sulfation in CS can be varied and that a clinical spectrum may exist similar to that seen in other skeletal dysplasias characterized by disorders of proteoglycan sulfation.
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Affiliation(s)
- Mirjam H H van Roij
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
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Abstract
Complex natural polysaccharides, glycosaminoglycans (GAGs), are a class of ubiquitous macromolecules that exhibit a wide range of biological functions and participate and regulate multiple cellular events and (patho)physiological processes. They are generally present either as free chains (hyaluronic acid and bacterial acidic polysaccharides) or as side chains of proteoglycans (PGs; chondroitin/dermatan sulfate, heparin/heparan sulfate, and keratan sulfate) and are most often found in cell membranes and in the extracellular matrix. The recent emergence of modern analytical tools for their study has produced a virtual explosion in the field of glycomics. CE, due to its high resolving power and sensitivity, has been useful in the analysis of intact GAGs and GAG-derived oligosaccharides and disaccharides affording concentration and structural characterization data essential for understanding the biological functions of GAGs. In this review, novel off-line and on-line CE-MS and MS/MS methods for screening of GAG-derived oligosaccharides and disaccharides will be discussed.
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Affiliation(s)
- Nicola Volpi
- Department of Biologia Animale, Biological Chemistry Section, University of Modena and Reggio Emilia, Modena, Italy.
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Brown JR, Crawford BE, Esko JD. Glycan antagonists and inhibitors: a fount for drug discovery. Crit Rev Biochem Mol Biol 2008; 42:481-515. [PMID: 18066955 DOI: 10.1080/10409230701751611] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Glycans, the carbohydrate chains of glycoproteins, proteoglycans, and glycolipids, represent a relatively unexploited area for drug development compared with other macromolecules. This review describes the major classes of glycans synthesized by animal cells, their mode of assembly, and available inhibitors for blocking their biosynthesis and function. Many of these agents have proven useful for studying the biological activities of glycans in isolated cells, during embryological development, and in physiology. Some are being used to develop drugs for treating metabolic disorders, cancer, and infection, suggesting that glycans are excellent targets for future drug development.
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