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Dong J, Abou Hachem M, Wang Y, Li X, Zhang B, Pijning T, Svensson B, Dijkhuizen L, Jin Z, Bai Y. Tailor-Made α-Glucans by Engineering the Processivity of α-Glucanotransferases via Tunnel-Cleft Active Center Interconversions. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11041-11050. [PMID: 38700846 DOI: 10.1021/acs.jafc.4c01842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
The function of polysaccharides is intimately associated with their size, which is largely determined by the processivity of transferases responsible for their synthesis. A tunnel active center architecture has been recognized as a key factor that governs processivity of several glycoside hydrolases (GHs), e.g., cellulases and chitinases. Similar tunnel architecture is also observed in the Limosilactobacillus reuteri 121 GtfB (Lr121 GtfB) α-glucanotransferase from the GH70 family. The molecular element underpinning processivity of these transglucosylases remains underexplored. Here, we report the synthesis of the smallest (α1 → 4)-α-glucan interspersed with linear and branched (α1 → 6) linkages by a novel 4,6-α-glucanotransferase from L. reuteri N1 (LrN1 GtfB) with an open-clefted active center instead of the tunnel structure. Notably, the loop swapping engineering of LrN1 GtfB and Lr121 GtfB based on their crystal structures clarified the impact of the loop-mediated tunnel/cleft structure at the donor subsites -2 to -3 on processivity of these α-glucanotransferases, enabling the tailoring of both product sizes and substrate preferences. This study provides unprecedented insights into the processivity determinants and evolutionary diversification of GH70 α-glucanotransferases and offers a simple route for engineering starch-converting α-glucanotransferases to generate diverse α-glucans for different biotechnological applications.
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Affiliation(s)
- Jingjing Dong
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Maher Abou Hachem
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
| | - Yanli Wang
- College of Food Sciences and Engineering, Ningbo University, Ningbo, Zhejiang 315832, China
| | - Xiaoxiao Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Bo Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Tjaard Pijning
- Biomolecular X-ray Crystallography, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, 9747 AG Groningen, The Netherlands
| | - Birte Svensson
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
| | - Lubbert Dijkhuizen
- Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, 9747 AG Groningen, The Netherlands
- CarbExplore Research BV, 9747 AA Groningen, The Netherlands
| | - Zhengyu Jin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yuxiang Bai
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China
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Sheng LL, Cai YM, Li Y, Huang SL, Sheng JZ. Advancements in heparosan production through metabolic engineering and improved fermentation. Carbohydr Polym 2024; 331:121881. [PMID: 38388039 DOI: 10.1016/j.carbpol.2024.121881] [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: 11/26/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024]
Abstract
Heparin is one of the most widely used natural drugs, and has been the preferred anticoagulant and antithrombotic agent in the clinical setting for nearly a century. Heparin also shows increasing therapeutic potential for treating inflammation, cancer, and microbial and viral diseases, including COVID-19. With advancements in synthetic biology, heparin production through microbial engineering of heparosan offers a cost-effective and scalable alternative to traditional extraction from animal tissues. Heparosan serves as the starting carbon backbone for the chemoenzymatic synthesis of bioengineered heparin, possessing a chain length that is critically important for the production of heparin-based therapeutics with specific molecular weight (MW) distributions. Recent advancements in metabolic engineering of microbial cell factories have resulted in high-yield heparosan production. This review systematically analyzes the key modules involved in microbial heparosan biosynthesis and the latest metabolic engineering strategies for enhancing production, regulating MW, and optimizing the fermentation scale-up of heparosan. It also discusses future studies, remaining challenges, and prospects in the field.
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Affiliation(s)
- Li-Li Sheng
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yi-Min Cai
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yi Li
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Si-Ling Huang
- Bloomage BioTechnology Corp., Ltd., Jinan 250010, China
| | - Ju-Zheng Sheng
- Key Laboratory of Chemical Biology of Natural Products, Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; The State Key Laboratory of Microbial Technology, Shandong University, Qingdao 250100, China.
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Wang Q, Jiang Y, Li J, Li J, He Y. Genetic structural analysis of different breeds and geographical groups of Fenneropenaeus chinensis reveals population diversity. Genomics 2024; 116:110843. [PMID: 38608736 DOI: 10.1016/j.ygeno.2024.110843] [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: 11/07/2023] [Revised: 03/30/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
Fenneropenaeus chinensis is a commercially important shrimp species cultured in China. This study investigated eight F. chinensis populations in China, including four geographical populations, three commercial breeds, and one wild population captured from the Yellow Sea. Population stratification analysis revealed that the Hebei geographical population and commercial breeding "Huanghai No. 4" were relatively independent and stable, reflecting a relatively closed breeding environment, whereas gene introgression was present between other populations. Selective signature analysis detected artificial selection for vision, growth, and disease resistance in the Hebei population. Neuronal development-related genes were detected to be under selection in the Changyi and Rizhao populations. Fertility of the Rizhao population was also investigated. Additionally, genes in the glycosaminoglycan biosynthesis-chondroitin sulfate/dermatan sulfate pathway were involved in the high pH tolerance of the "Huanghai No. 4" population. This study provided support for the genetic mechanism of parsing economic traits and the development of molecular breeding technologies.
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Affiliation(s)
- Qiong Wang
- National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Yuhan Jiang
- National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Jian Li
- National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Jitao Li
- National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, China.
| | - Yuying He
- National Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao 266200, China.
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Cheng H, Peng Z, Zhao C, Jin H, Bao Y, Liu M. The transcriptomic and biochemical responses of blood clams (Tegillarca granosa) to prolonged intermittent hypoxia. Comp Biochem Physiol B Biochem Mol Biol 2024; 270:110923. [PMID: 37952637 DOI: 10.1016/j.cbpb.2023.110923] [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: 08/22/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 11/14/2023]
Abstract
The blood clam (Tegillarca granosa), a marine bivalve of ecological and economic significance, often encounters intermittent hypoxia in mudflats and aquatic environments. To study the response of blood clam foot to prolonged intermittent hypoxia, the clams were exposed to intermittent hypoxia conditions (0.5 mg/L dissolved oxygen, with a 12-h interval) for 31 days. Initially, transcriptomic analysis was performed, uncovering a total of 698 differentially expressed genes (DEGs), with 236 upregulated and 462 downregulated. These genes show enrichments in signaling pathways related to glucose metabolism, sugar synthesis and responses to oxidative stress. Furthermore, the activity of the enzyme glutathione peroxidase (GPx) and the levels of gpx1 mRNA showed gradual increases, reaching their peak on the 13th day of intermittent hypoxia exposure. This observation suggests an indirect protective role of GPx against oxidative stress. The results of this study make a significantly contribute to our broader comprehensive of the physiological, biochemical responses, and molecular reactions governing the organization of foot muscle tissue in marine bivalves exposed to prolonged intermittent hypoxic conditions.
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Affiliation(s)
- Haoxiang Cheng
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China
| | - Zhilan Peng
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China
| | - Chenxi Zhao
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China
| | - Hongyu Jin
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China
| | - Yongbo Bao
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China.
| | - Minhai Liu
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China.
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5
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Hu M, Zhang T, Miao M, Li K, Luan Q, Sun G. Expectations for employing Escherichia coli Nissle 1917 in food science and nutrition. Crit Rev Food Sci Nutr 2024:1-9. [PMID: 38189668 DOI: 10.1080/10408398.2023.2301416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
As a promising probiotic strain, Escherichia coli Nissle 1917 (EcN) has been demonstrated to confer beneficial effects on intestinal health, immune function, and pathogen prevention. Additionally, EcN has also been widely studied due to its clear genomic information, tractable gene regulation, and simple growth conditions. This review summarizes the various applications potential of EcN in food science and nutrition, including inflammation prevention, tumor-targeting therapy, antibacterial agents for food, and nutrient production with a focus on specific case studies. Moreover, we highlight the major challenges of employing EcN in food science and nutrition, including regulatory approval, stability during food processing, and consumer acceptance. Finally, we conclude with a discussion on perspectives related to employing EcN in food science and nutrition.
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Affiliation(s)
- Miaomiao Hu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
| | - Tao Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Ming Miao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Kewen Li
- Baolingbao Biology Co., Ltd, Yucheng, Shandong, China
| | - Qingmin Luan
- Baolingbao Biology Co., Ltd, Yucheng, Shandong, China
| | - Guilian Sun
- Baolingbao Biology Co., Ltd, Yucheng, Shandong, China
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DeAngelis PL, Zimmer J. Hyaluronan synthases; mechanisms, myths, & mysteries of three types of unique bifunctional glycosyltransferases. Glycobiology 2023; 33:1117-1127. [PMID: 37769351 PMCID: PMC10939387 DOI: 10.1093/glycob/cwad075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 09/15/2023] [Accepted: 09/25/2023] [Indexed: 09/30/2023] Open
Abstract
Hyaluronan (HA), the essential [-3-GlcNAc-1-β-4-GlcA-1-β-]n matrix polysaccharide in vertebrates and molecular camouflage coating in select pathogens, is polymerized by "HA synthase" (HAS) enzymes. The first HAS identified three decades ago opened the window for new insights and biotechnological tools. This review discusses current understanding of HA biosynthesis, its biotechnological utility, and addresses some misconceptions in the literature. HASs are fascinating enzymes that polymerize two different UDP-activated sugars via different glycosidic linkages. Therefore, these catalysts were the first examples to break the "one enzyme/one sugar transferred" dogma. Three distinct types of these bifunctional glycosyltransferases (GTs) with disparate architectures and reaction modes are known. Based on biochemical and structural work, we present an updated classification system. Class I membrane-integrated HASs employ a processive chain elongation mechanism and secrete HA across the plasma membrane. This complex operation is accomplished by functionally integrating a cytosolic catalytic domain with a channel-forming transmembrane region. Class I enzymes, containing a single GT family-2 (GT-2) module that adds both monosaccharide units to the nascent chain, are further subdivided into two groups that construct the polymer with opposite molecular directionalities: Class I-R and I-NR elongate the HA polysaccharide at either the reducing or the non-reducing end, respectively. In contrast, Class II HASs are membrane-associated peripheral synthases with a non-processive, non-reducing end elongation mechanism using two independent GT-2 modules (one for each type of monosaccharide) and require a separate secretion system for HA export. We discuss recent mechanistic insights into HA biosynthesis that promise biotechnological benefits and exciting engineering approaches.
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Affiliation(s)
- Paul L DeAngelis
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd., Oklahoma, OK 73104, United States
| | - Jochen Zimmer
- Department of Molecular Physiology and Biological Physics, Howard Hughes Medical Institute, University of Virginia, 480 Ray C. Hunt Dr, Charlottesville, VA 22908, United States
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Wang D, Hu L, Xu R, Zhang W, Xiong H, Wang Y, Du G, Kang Z. Production of different molecular weight glycosaminoglycans with microbial cell factories. Enzyme Microb Technol 2023; 171:110324. [PMID: 37742407 DOI: 10.1016/j.enzmictec.2023.110324] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/26/2023]
Abstract
Glycosaminoglycans (GAGs) are naturally occurring acidic polysaccharides with wide applications in pharmaceuticals, cosmetics, and health foods. The diverse biological activities and physiological functions of GAGs are closely associated with their molecular weights and sulfation patterns. Except for the non-sulfated hyaluronan which can be synthesized naturally by group A Streptococcus, all the other GAGs such as heparin and chondroitin sulfate are mainly acquired from animal tissues. Microbial cell factories provide a more effective platform for the production of structurally homogeneous GAGs. Enhancing the production efficiency of polysaccharides, accurately regulating the GAGs molecular weight, and effectively controlling the sulfation degree of GAGs represent the major challenges of developing GAGs microbial cell factories. Several enzymatic, metabolic engineering, and synthetic biology strategies have been developed to tackle these obstacles and push forward the industrialization of biotechnologically produced GAGs. This review summarizes the recent advances in the construction of GAGs synthesis cell factories, regulation of GAG molecular weight, and modification of GAGs chains. Furthermore, the challenges and prospects for future research in this field are also discussed.
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Affiliation(s)
- Daoan Wang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Litao Hu
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Ruirui Xu
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Weijiao Zhang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Haibo Xiong
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Yang Wang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Guocheng Du
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhen Kang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; The Science Center for Future Foods, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
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8
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Brito R, Costa D, Dias C, Cruz P, Barros P. Chondroitin Sulfate Supplements for Osteoarthritis: A Critical Review. Cureus 2023; 15:e40192. [PMID: 37431333 PMCID: PMC10329866 DOI: 10.7759/cureus.40192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2023] [Indexed: 07/12/2023] Open
Abstract
Over the years, chondroitin sulfate (CS) has been used as a slow-acting drug for the treatment of osteoarthritis, for the reduction of pain and improvement of function, and for its disease-modifying properties by limiting cartilage volume loss and joint space narrowing progression. However, there have been inconsistencies in published trials regarding clinical efficacy, with reports of a lack of significant effects compared to placebo. The therapeutic effects of chondroitin sulfate may depend on many variables, such as the source of origin, purity, and contamination with by-products. Another source of confusion may be related to the fact that CS is commonly combined with glucosamine, which makes it challenging to isolate the specific contribution of chondroitin to the therapeutic outcome. This is aggravated by the fact that CS supplements, used in many countries, are not regulated, and labels wrongly claim high levels of purity. Many of these inferior CS products may have been used in clinical trials, which may have had limited but significant results. This has led to recent recommendations to opt for higher-purity pharmacologic-grade CS for the treatment of OA. This article aims to provide an up-to-date view of the current literature regarding the biological effects and efficacy of CS and discusses the quality of available chondroitin sulfate supplements and the current direction in CS investigation. This review concludes that pharmacologic-grade CS supplements may have clinically significant benefits when properly standardized; however, high-quality evidence from properly designed clinical trials is still needed to draw definitive conclusions about clinical efficacy in osteoarthritis.
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Affiliation(s)
- Rui Brito
- Physical Medicine and Rehabilitation, Centro Hospitalar e Universitário de Santo António, Porto, PRT
| | - Diogo Costa
- Physical Medicine and Rehabilitation, Centro Hospitalar e Universitário de Santo António, Porto, PRT
| | - Carina Dias
- Physical Medicine and Rehabilitation, Centro Hospitalar e Universitário de Santo António, Porto, PRT
| | - Patrícia Cruz
- Physical Medicine and Rehabilitation, Centro Hospitalar e Universitário de Santo António, Porto, PRT
| | - Paula Barros
- Physical Medicine and Rehabilitation, Centro Hospitalar e Universitário de Santo António, Porto, PRT
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Banerjee R, Kumar KJ, Kennedy JF. Structure and drug delivery relationship of acidic polysaccharides: A review. Int J Biol Macromol 2023:125092. [PMID: 37247706 DOI: 10.1016/j.ijbiomac.2023.125092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 05/31/2023]
Abstract
Scientists from across the world are being inspired by recent development in polysaccharides and their use in medical administration. Due to their extraordinary physical, chemical, and biological characteristics, polysaccharides are excellent materials for use in medicine. Acidic polysaccharides, which include Pectin, Xanthan gum, Carrageenan, Alginate, and Glycosaminoglycan, are natural polymers with carboxyl groups that are being researched for their potential as drug delivery systems. Most publications do not discuss how the different polysaccharides interact structurally in terms of drug delivery, which limits the scope of their use. The purpose of this review is to inform readers about the structural activity correlations between acidic polysaccharides, their different modification process and effects of combination of various acidic polysaccharides which have been used in drug delivery systems and expanding their potential applications, and bringing new perspectives to the fore.
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Affiliation(s)
- Riya Banerjee
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, Jharkhand, India
| | - K Jayaram Kumar
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, Jharkhand, India.
| | - John F Kennedy
- Chembiotech Laboratories, Institute of Research and Development, Tenbury Wells, WR15 8FF, UK
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10
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Cheng HM, Zhang SF, Ning XL, Peng JX, Li DX, Zhang H, Zhang K, Lin L, Liu SQ, Smith WO, Wang DZ. Elucidating colony bloom formation mechanism of a harmful alga Phaeocystis globosa (Prymnesiophyceae) using metaproteomics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 869:161846. [PMID: 36709898 DOI: 10.1016/j.scitotenv.2023.161846] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
Phaeocystis is a globally distributed Prymnesiophyte genus and usually forms massive harmful colony blooms, which impact marine ecosystem, mariculture, human health, and even threaten coastal nuclear power plant safety. However, the mechanisms behind the colony formation from the solitary cells remain poorly understood. Here, we investigated metabolic processes of both solitary and non-flagellated colonial cells of Phaeocystis globosa at different colony bloom stages in the subtropical Beibu Gulf using a metaproteomic approach. Temperature was significantly correlated with Phaeocystis colony bloom formation, and the flagellated motile solitary cells with abundant flagellum-associated proteins, such as tubulin and dynein, were the exclusive cellular morphotype at the solitary cell stage featured with temperatures ≥21 °C. When the temperature decreased to <21 °C, tiny colonies appeared and the flagellum-associated proteins were down-regulated in both solitary and non-flagellated colonial cells, while proteins involved in biosynthesis, chain polymerization and aggregation of glycosaminoglycan (GAG), a key constituent of gelatinous matrix, were up-regulated, indicating the central role of active GAG biosynthesis during the colony formation. Furthermore, light utilization, carbon fixation, nitrogen assimilation, and amino acid and protein synthesis were also enhanced to provide sufficient energy and substrates for GAG biosynthesis. This study highlighted that temperature induced re-allocation of energy and substances toward GAG biosynthesis is essential for colony bloom formation of P. globosa.
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Affiliation(s)
- Hua-Min Cheng
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Shu-Feng Zhang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Xiao-Lian Ning
- BGI-Shenzhen, Beishan Industrial Zone 11th Building, Yantian District, Shenzhen, Guangdong 518083, China
| | - Jian-Xiang Peng
- BGI-Shenzhen, Beishan Industrial Zone 11th Building, Yantian District, Shenzhen, Guangdong 518083, China
| | - Dong-Xu Li
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Hao Zhang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Kun Zhang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Lin Lin
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Si-Qi Liu
- BGI-Shenzhen, Beishan Industrial Zone 11th Building, Yantian District, Shenzhen, Guangdong 518083, China
| | - Walker O Smith
- School of Oceanography, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai 200300, China
| | - Da-Zhi Wang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361005, China; Key Laboratory of Marine Ecology & Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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11
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Yu Y, Gong B, Wang H, Yang G, Zhou X. Chromosome evolution of Escherichia coli Nissle 1917 for high-level production of heparosan. Biotechnol Bioeng 2023; 120:1081-1096. [PMID: 36539926 DOI: 10.1002/bit.28315] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/11/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Heparosan is a crucial-polysaccharide precursor for the chemoenzymatic synthesis of heparin, a widely used anticoagulant drug. Presently, heparosan is mainly extracted with the potential risk of contamination from Escherichia coli strain K5, a pathogenic bacterium causing urinary tract infection. Here, a nonpathogenic probiotic, E. coli strain Nissle 1917 (EcN), was metabolically engineered to carry multiple copies of the 19-kb kps locus and produce heparosan to 9.1 g/L in fed-batch fermentation. Chromosome evolution driven by antibiotics was employed to amplify the kps locus, which governed the synthesis and export of heparosan from EcN at 21 mg L-1 OD-1 . The average copy number of kps locus increased from 1 to 24 copies per cell, which produced up to 104 mg L-1 OD-1 of heparosan in the shaking flask cultures of engineered strains. The following in-frame deletion of recA stabilized the recombinant duplicates of chromosomal kps locus and the productivity of heparosan in continuous culture for at least 56 generations. Fed-batch fermentation of the engineered strain EcN8 was carried out to bring the yield of heparosan up to 9.1 g/L. Heparosan from the fermentation culture was further purified at a 75% overall recovery. The structure of purified heparosan was characterized and further modified by N-sulfotransferase with 3'-phosphoadenosine-5'-phosphosulfate as the sulfo-donor. The analysis of element composition showed that heparosan was N-sulfated by over 80%. These results indicated that duplicating large DNA cassettes up to 19-kb, followed by high-cell-density fermentation, was promising in the large-scale preparation of chemicals and could be adapted to engineer other industrial-interest bacteria metabolically.
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Affiliation(s)
- Yanying Yu
- Department of Bioengineering, School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
| | - Bingxue Gong
- Department of Bioengineering, School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
| | - Huili Wang
- Department of Bioengineering, School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
| | - Guixia Yang
- Department of Bioengineering, School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
| | - Xianxuan Zhou
- Department of Bioengineering, School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China
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12
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Colliec-Jouault S, Esposito F, Ledru H, Sinquin C, Marchand L, Fillaudeau A, Routier S, Buron F, Lopin-Bon C, Cuenot S, Bedini E, Zykwinska A. Glycosaminoglycan Mimetics Obtained by Microwave-Assisted Sulfation of Marine Bacterium Sourced Infernan Exopolysaccharide. Biomacromolecules 2023; 24:462-470. [PMID: 36563405 DOI: 10.1021/acs.biomac.2c01277] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Sulfated glycosaminoglycans (GAGs) are fundamental constituents of both the cell surface and extracellular matrix. By playing a key role in cell-cell and cell-matrix interactions, GAGs are involved in many physiological and pathological processes. To design GAG mimetics with similar therapeutic potential as the natural ones, the specific structural features, among them sulfate content, sulfation pattern, and chain length, should be considered. In the present study, we describe a sulfation method based on microwave radiation to obtain highly sulfated derivatives as GAG mimetics. The starting low-molecular-weight (LMW) derivative was prepared from the infernan exopolysaccharide, a highly branched naturally slightly sulfated heteropolysaccharide synthesized by the deep-sea hydrothermal vent bacterium Alteromonas infernus. LMW highly sulfated infernan derivatives obtained by conventional heating sulfation have already been shown to display GAG-mimetic properties. Here, the potential of microwave-assisted sulfation versus that of the conventional method to obtain GAG mimetics was explored. Structural analysis by NMR revealed that highly sulfated derivatives from the two methods shared similar structural features, emphasizing that microwave-assisted sulfation with a 12-fold shorter reaction time is as efficient as the classical one.
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Affiliation(s)
| | - Fabiana Esposito
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S.Angelo, via Cintia 4, I-80126Napoli, Italy
| | - Hélène Ledru
- Institut de Chimie Organique et Analytique─UMR 7311, Université d'Orléans et CNRS, Rue de Chartres, BP 6759, 45067Orléans Cedex 2, France
| | - Corinne Sinquin
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, F-44000Nantes, France
| | - Laetitia Marchand
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, F-44000Nantes, France
| | - Arnaud Fillaudeau
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, F-44000Nantes, France
| | - Sylvain Routier
- Institut de Chimie Organique et Analytique─UMR 7311, Université d'Orléans et CNRS, Rue de Chartres, BP 6759, 45067Orléans Cedex 2, France
| | - Frédéric Buron
- Institut de Chimie Organique et Analytique─UMR 7311, Université d'Orléans et CNRS, Rue de Chartres, BP 6759, 45067Orléans Cedex 2, France
| | - Chrystel Lopin-Bon
- Institut de Chimie Organique et Analytique─UMR 7311, Université d'Orléans et CNRS, Rue de Chartres, BP 6759, 45067Orléans Cedex 2, France
| | - Stéphane Cuenot
- Institut des Matériaux Jean Rouxel─IMN, Nantes Université and CNRS, Nantes44322, France
| | - Emiliano Bedini
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S.Angelo, via Cintia 4, I-80126Napoli, Italy
| | - Agata Zykwinska
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, F-44000Nantes, France
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13
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Zhang SF, Han BB, Shi RJ, Wu FX, Rao YY, Dai M, Huang HH. Quantitative Proteomic Analysis Reveals the Key Molecular Events Driving Phaeocystis globosa Bloom and Dissipation. Int J Mol Sci 2022; 23:ijms232012668. [PMID: 36293526 PMCID: PMC9604223 DOI: 10.3390/ijms232012668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/06/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022] Open
Abstract
Phaeocystis globosa is a marine-bloom-forming haptophyte with a polymorphic life cycle alternating between free-living cells and a colonial morphotype, that produces high biomass and impacts ecological structure and function. The mechanisms of P. globosa bloom formation have been extensively studied, and various environmental factors are believed to trigger these events. However, little is known about the intrinsic biological processes that drive the bloom process, and the mechanisms underlying P. globosa bloom formation remain enigmatic. Here, we investigated a P. globosa bloom occurring along the Chinese coast and compared the proteomes of in situ P. globosa colonies from bloom and dissipation phases using a tandem mass tag (TMT)-based quantitative proteomic approach. Among the 5540 proteins identified, 191 and 109 proteins displayed higher abundances in the bloom and dissipation phases, respectively. The levels of proteins involved in photosynthesis, pigment metabolism, nitrogen metabolism, and matrix substrate biosynthesis were distinctly different between these two phases. Ambient nitrate is a key trigger of P. globosa bloom formation, while the enhanced light harvest and multiple inorganic carbon-concentrating mechanisms support the prosperousness of colonies in the bloom phase. Additionally, colonies in the bloom phase have greater carbon fixation potential, with more carbon and energy being fixed and flowing toward the colonial matrix biosynthesis. Our study revealed the key biological processes underlying P. globosa blooms and provides new insights into the mechanisms behind bloom formation.
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Affiliation(s)
- Shu-Fei Zhang
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Bei-Bei Han
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Rong-Jun Shi
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Feng-Xia Wu
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Yi-Yong Rao
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Ming Dai
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Hong-Hui Huang
- Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511485, China
- Correspondence:
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14
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Ren X, Yu Z, Song X, Zhu J, Wang W, Cao X. Effects of modified clay on the formation of Phaeocystis globosa colony revealed by physiological and transcriptomic analyses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:155985. [PMID: 35597349 DOI: 10.1016/j.scitotenv.2022.155985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/11/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
The harmful algal bloom (HAB) species Phaeocystis globosa is commonly observed in global temperate and tropical oceans, and colonies of P. globosa exhibit a dominant morphotype during blooms. The use of polyaluminium chloride modified clay (PAC-MC) is an effective mitigation strategy for P. globosa blooms. Although previous studies have found that PAC-MC can stimulate P. globosa colony formation at low concentrations and inhibit it at higher concentrations, the underlying mechanisms of these effects are poorly understood. Here, we comprehensively compared the physiochemical indices and transcriptomic response of residual P. globosa cells after treatment with two concentrations of PAC-MC. The results showed that PAC-MC induced oxidative stress, photosynthetic inhibition, and DNA damage in residual cells. Moreover, it could activate antioxidant responses and enhance the repair of photosynthetic structure and DNA damage in cells. The biosynthesis of polysaccharides was enhanced and genes associated with cell motility were down-regulated after treatment with PAC-MC, resulting in the accumulation of colonial matrixes. After treatment with a low concentration of PAC-MC (0.1 g/L), the residual cells were slightly stressed, including physical damage, oxidative stress and other damage, and polysaccharide synthesis was enhanced to promote colony formation to alleviate environmental stress. Moreover, the damage to residual cells was slight; thus, normal cell function provided abundant energy and matter for colony formation. After treatment with a high concentration of PAC-MC (0.5 g/L), the residual cells suffered severe damage, which disrupted normal physiological processes and inhibited cell proliferation and colony formation. The present study elucidated the concentration-dependent mechanism of PAC-MC affecting the formation of P. globosa colonies and provided a reference for the application of PAC-MC to control P. globosa blooms.
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Affiliation(s)
- Xiangzheng Ren
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Zhiming Yu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
| | - Xiuxian Song
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jianan Zhu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Wentao Wang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xihua Cao
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
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15
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Vandana, Das S. Genetic regulation, biosynthesis and applications of extracellular polysaccharides of the biofilm matrix of bacteria. Carbohydr Polym 2022; 291:119536. [DOI: 10.1016/j.carbpol.2022.119536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 11/02/2022]
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16
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Uronic acid carbazole assay and cetylpyridinium chloride titration depend on the chondroitin sulfate molecular weight. Anal Biochem 2022; 655:114848. [DOI: 10.1016/j.ab.2022.114848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/15/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022]
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17
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Alipoor R, Ayan M, Hamblin MR, Ranjbar R, Rashki S. Hyaluronic Acid-Based Nanomaterials as a New Approach to the Treatment and Prevention of Bacterial Infections. Front Bioeng Biotechnol 2022; 10:913912. [PMID: 35757807 PMCID: PMC9213665 DOI: 10.3389/fbioe.2022.913912] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/16/2022] [Indexed: 12/21/2022] Open
Abstract
Bacterial contamination of medical devices is a great concern for public health and an increasing risk for hospital-acquired infections. The ongoing increase in antibiotic-resistant bacterial strains highlights the urgent need to find new effective alternatives to antibiotics. Hyaluronic acid (HA) is a valuable polymer in biomedical applications, partly due to its bactericidal effects on different platforms such as contact lenses, cleaning solutions, wound dressings, cosmetic formulations, etc. Because the pure form of HA is rapidly hydrolyzed, nanotechnology-based approaches have been investigated to improve its clinical utility. Moreover, a combination of HA with other bactericidal molecules could improve the antibacterial effects on drug-resistant bacterial strains, and improve the management of hard-to-heal wound infections. This review summarizes the structure, production, and properties of HA, and its various platforms as a carrier in drug delivery. Herein, we discuss recent works on numerous types of HA-based nanoparticles to overcome the limitations of traditional antibiotics in the treatment of bacterial infections. Advances in the fabrication of controlled release of antimicrobial agents from HA-based nanosystems can allow the complete eradication of pathogenic microorganisms.
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Affiliation(s)
- Reza Alipoor
- Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | | | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Reza Ranjbar
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Somaye Rashki
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.,Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
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18
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Hu M, Ling Z, Ren X. Extracellular matrix dynamics: tracking in biological systems and their implications. J Biol Eng 2022; 16:13. [PMID: 35637526 PMCID: PMC9153193 DOI: 10.1186/s13036-022-00292-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 05/11/2022] [Indexed: 12/23/2022] Open
Abstract
The extracellular matrix (ECM) constitutes the main acellular microenvironment of cells in almost all tissues and organs. The ECM not only provides mechanical support, but also mediates numerous biochemical interactions to guide cell survival, proliferation, differentiation, and migration. Thus, better understanding the everchanging temporal and spatial shifts in ECM composition and structure – the ECM dynamics – will provide fundamental insight regarding extracellular regulation of tissue homeostasis and how tissue states transition from one to another during diverse pathophysiological processes. This review outlines the mechanisms mediating ECM-cell interactions and highlights how changes in the ECM modulate tissue development and disease progression, using the lung as the primary model organ. We then discuss existing methodologies for revealing ECM compositional dynamics, with a particular focus on tracking newly synthesized ECM proteins. Finally, we discuss the ramifications ECM dynamics have on tissue engineering and how to implement spatial and temporal specific extracellular microenvironments into bioengineered tissues. Overall, this review communicates the current capabilities for studying native ECM dynamics and delineates new research directions in discovering and implementing ECM dynamics to push the frontier forward.
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Affiliation(s)
- Michael Hu
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Zihan Ling
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Xi Ren
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA.
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19
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Influence of the Carbon and Nitrogen Sources on Diabolican Production by the Marine Vibrio diabolicus Strain CNCM I-1629. Polymers (Basel) 2022; 14:polym14101994. [PMID: 35631877 PMCID: PMC9145141 DOI: 10.3390/polym14101994] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 02/05/2023] Open
Abstract
Recent advances in glycobiotechnology show that bacterial exopolysaccharides (EPS) presenting glycosaminoglycan (GAG)-like properties can provide a valuable source of bio-active macromolecules for industrial applications. The HE800 EPS, named diabolican, is a marine-derived anionic high-molecular-weight polysaccharide produced by Vibrio diabolicus CNCM I-1629 which displays original structural features close to those of hyaluronic acid. We investigated the impact of carbon and nitrogen substrates on both Vibrio diabolicus growth and diabolican production. Both substrates were screened by a one-factor-at-a-time method, and experimental designs were used to study the effect of glucose, mannitol, and ammonium acetate various concentrations. Results showed that the medium composition affected not only the bacterium growth and EPS yield, but also the EPS molecular weight (MW). EPS yields of 563 and 330 mg L−1 were obtained in the presence of 69.3 g L−1 glucose and 24.6 g L−1 mannitol, respectively, both for 116.6 mM ammonium acetate. MW was the highest, with 69.3 g L−1 glucose and 101.9 mM ammonium acetate (2.3 × 106 g mol−1). In parallel, the bacterial maximum specific growth rate was higher when both carbon and nitrogen substrate concentrations were low. This work paves the way for the optimization of marine exopolysaccharide production of great interest in the fields of human health and cosmetics.
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20
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Glycosaminoglycan-like sulfated polysaccharides from Vibrio diabolicus bacterium: Semi-synthesis and characterization. Carbohydr Polym 2022; 283:119054. [DOI: 10.1016/j.carbpol.2021.119054] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/16/2021] [Accepted: 12/24/2021] [Indexed: 12/11/2022]
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21
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Gélébart P, Cuenot S, Sinquin C, Halgand B, Sourice S, Le Visage C, Guicheux J, Colliec-Jouault S, Zykwinska A. Microgels based on Infernan, a glycosaminoglycan-mimetic bacterial exopolysaccharide, as BMP-2 delivery systems. Carbohydr Polym 2022; 284:119191. [DOI: 10.1016/j.carbpol.2022.119191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/20/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023]
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22
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Ucm R, Aem M, Lhb Z, Kumar V, Taherzadeh MJ, Garlapati VK, Chandel AK. Comprehensive review on biotechnological production of hyaluronic acid: status, innovation, market and applications. Bioengineered 2022; 13:9645-9661. [PMID: 35436410 PMCID: PMC9161949 DOI: 10.1080/21655979.2022.2057760] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The growing, existing demand for low-cost and high-quality hyaluronic acid (HA) needs an outlook of different possible production strategies from renewable resources with the reduced possibility of cross-infections. Recently, the possibility of producing HA from harmless microorganisms appeared, which offers the opportunity to make HA more economical, without raw material limitations, and environmentally friendly. HA production is mainly reported with Lancefield Streptococci A and C, particularly from S. equi and S. zooepidemicus. Various modes of fermentation such as batch, repeated batch, fed-batch, and continuous culture have been investigated to optimize HA production, particularly from S. zooepidemicus, obtaining a HA yield of 2.5 g L−1 – 7.0 g L−1. Among the different utilized DSP approaches of HA production, recovery with cold ethanol (4°C) and cetylpyridinium chloride is the ideal strategy for lab-scale HA production. On the industrial scale, besides using isopropanol, filtration (0.22 um), ultrafiltration (100 kDa), and activated carbon absorption are employed to obtain HA of low molecular weight and additional ultrafiltration to purify HA of higher MW. Even though mature technologies have already been developed for the industrial production of HA, the projections of increased sales volume and the expansion of application possibilities require new processes to obtain HA with higher productivity, purity, and specific molecular weights. In this review, we have put forth the progress of HA technological research by discussing the microbial biosynthetic aspects, fermentation and downstream strategies, industrial-scale scenarios of HA, and the prospects of HA production to meet the current and ongoing market demands.
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Affiliation(s)
- Ruschoni Ucm
- Department of Biotechnology, Engineering School of Lorena (EEL), University of São Paulo (USP), Lorena 12602-810, Brazil
| | - Mera Aem
- Department of Biotechnology, Engineering School of Lorena (EEL), University of São Paulo (USP), Lorena 12602-810, Brazil
| | - Zamudio Lhb
- Department of Biotechnology, Engineering School of Lorena (EEL), University of São Paulo (USP), Lorena 12602-810, Brazil
| | - Vinod Kumar
- School of Water, Energy and Environment, Cranfield University, Cranfield MK43 0AL, UK
| | | | - Vijay Kumar Garlapati
- Department of Biotechnology and Bioinformatics, University of Information Technology, Waknaghat 173234, India
| | - Anuj Kumar Chandel
- Department of Biotechnology, Engineering School of Lorena (EEL), University of São Paulo (USP), Lorena 12602-810, Brazil
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23
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Bhat IM, Wani SM, Mir SA, Masoodi F. Advances in xanthan gum production, modifications and its applications. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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Hintze V, Schnabelrauch M, Rother S. Chemical Modification of Hyaluronan and Their Biomedical Applications. Front Chem 2022; 10:830671. [PMID: 35223772 PMCID: PMC8873528 DOI: 10.3389/fchem.2022.830671] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/10/2022] [Indexed: 12/26/2022] Open
Abstract
Hyaluronan, the extracellular matrix glycosaminoglycan, is an important structural component of many tissues playing a critical role in a variety of biological contexts. This makes hyaluronan, which can be biotechnologically produced in large scale, an attractive starting polymer for chemical modifications. This review provides a broad overview of different synthesis strategies used for modulating the biological as well as material properties of this polysaccharide. We discuss current advances and challenges of derivatization reactions targeting the primary and secondary hydroxyl groups or carboxylic acid groups and the N-acetyl groups after deamidation. In addition, we give examples for approaches using hyaluronan as biomedical polymer matrix and consequences of chemical modifications on the interaction of hyaluronan with cells via receptor-mediated signaling. Collectively, hyaluronan derivatives play a significant role in biomedical research and applications indicating the great promise for future innovative therapies.
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Affiliation(s)
- Vera Hintze
- Institute of Materials Science, Max Bergmann Center of Biomaterials, Technische Universität Dresden, Dresden, Germany
- *Correspondence: Vera Hintze, ; Matthias Schnabelrauch, ; Sandra Rother,
| | - Matthias Schnabelrauch
- Biomaterials Department, INNOVENT e. V., Jena, Germany
- *Correspondence: Vera Hintze, ; Matthias Schnabelrauch, ; Sandra Rother,
| | - Sandra Rother
- School of Medicine, Center for Molecular Signaling (PZMS), Saarland University, Homburg, Germany
- *Correspondence: Vera Hintze, ; Matthias Schnabelrauch, ; Sandra Rother,
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25
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AlMatar M, Makky EA, Ramli ANM, Kafkas NE, Köksal F. Polysaccharides to combat viruses (Covid-19) and microbes: New updates. Curr Mol Pharmacol 2022; 15:803-814. [PMID: 35023463 DOI: 10.2174/1874467215666220112150332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/18/2021] [Accepted: 10/30/2021] [Indexed: 11/22/2022]
Abstract
COVID-19, which is speedily distributed across the world and presents a significant challenge to public health, is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Following MERS coronavirus (MERS-CoV) and SARS, this is the third severe coronavirus outbreak in less than 20 years. To date, there are no exact agents and vaccines available for the treatment of COVID-19 that are clinically successful. Antimicrobial medications are effective in controlling infectious diseases. However, the extensive use of antibiotics makes microbes more resistant to drugs and demands novel bioactive agents' development. Polysaccharides are currently commonly used in the biomedical and pharmaceutical industries for their remarkable applications. Polysaccharides appear to have a wide range of anti-virus (anti-coronavirus) and antimicrobial applications. Polysaccharides are able to induce bacterial cell membrane disruption as they demonstrate potency in binding onto the surfaces of microbial cells. Here, the antiviral mechanisms of such polysaccharides and their success in the application of antiviral infections are reviewed. Additionally, this report provides a summary of current advancements of well-recognized polysaccharides as antimicrobial and anti-biofilm agents.
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Affiliation(s)
- Manaf AlMatar
- Faculty of Education and Art, Department of Biology, Sohar University, Sohar, 311, Sultanate of Oman
| | - Essam A Makky
- Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang (UMP), Gambang, 26300 Kuantan, Malaysia
| | - Aizi Nor Mazila Ramli
- Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang (UMP), Gambang, 26300 Kuantan, Malaysia
| | | | - Fatih Köksal
- Faculty of Medicine, Çukurova University, Adana, 01330, Turkey
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Takahama R, Kato H, Tajima K, Tagawa S, Kondo T. Biofabrication of a Hyaluronan/Bacterial Cellulose Composite Nanofibril by Secretion from Engineered Gluconacetobacter. Biomacromolecules 2021; 22:4709-4719. [PMID: 34705422 DOI: 10.1021/acs.biomac.1c00987] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Naturally occurring polysaccharides, such as cellulose, hemicellulose, and chitin, have roles in plant skeletons and/or related properties in living organisms. Their hierarchically regulated production systems show potential for designing nanocomposite fabrication using engineered microorganisms. This study has demonstrated that genetically engineered Gluconacetobacter hansenii (G. hansenii) individual cells can fabricate naturally composited nanofibrils by simultaneous production of hyaluronan (HA) and bacterial cellulose (BC). The cells were manipulated to contain hyaluronan synthase and UDP-glucose dehydrogenase genes, which are essential for HA biosynthesis. Fluorescence microscopic observations indicated the production of composited nanofibrils and suggested that HA secretion was associated with the cellulose secretory pathway in G. hansenii. The gel-like nanocomposite materials produced by the engineered G. hansenii exhibited superior properties compared with conventional in situ nanocomposites. This genetic engineering approach facilitates the use of G. hansenii for designing integrated cellulose-based nanomaterials.
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Affiliation(s)
- Ryo Takahama
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Honami Kato
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kenji Tajima
- Faculty of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Satomi Tagawa
- Faculty of Agriculture, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tetsuo Kondo
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan.,Faculty of Agriculture, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Roy A, Garg V, Mehta SK, Rossi A, Balagurunathan K. Methods for the Production of Recombinant Heparosan, a Critical Heparin Precursor, from Nonpathogenic E. coli Strains. Methods Mol Biol 2021; 2303:151-161. [PMID: 34626377 DOI: 10.1007/978-1-0716-1398-6_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
Heparin is an essential anticoagulant drug discovered over a century ago. Heparin is the second most highly used natural drug and remains a mainstay of therapy with an expected global market share of more than $14 billion in the next 10 years. However, it is still naturally derived from unsustainable animal sources, such as bovine lungs and porcine intestines, as an unfractionated, heterogeneous complex mixture with unpredictable pharmacokinetic properties. Extensive research has been done in devising bioengineering and chemical approaches to produce structurally specific heparin and heparin-like polymers. Though several challenges remain, one of the main bottlenecks is the rapid, high-yield production of recombinant heparosan, a heparin precursor, which is originally isolated from a pathogenic E. coli K5 strain. Herein, we outline the methods for producing metabolically engineered size-specific heparosan, by transforming the essential heparosan biosynthetic genes into nonpathogenic E.coli strain BL21(DE3), in a highly controlled manner. The methods described herein are promising and can be easily scaled up for large-scale production of heparin-like structures.
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Affiliation(s)
- Anindita Roy
- Department of Medicinal Chemistry, University of Utah, Salt Lake City, UT, USA
| | - Varun Garg
- Department of Biology, University of Utah, Salt Lake City, UT, USA
- Department of Bioengineering, University of Utah, Salt Lake City, UT, USA
| | - Sai K Mehta
- Department of Biology, University of Utah, Salt Lake City, UT, USA
- Department of Bioengineering, University of Utah, Salt Lake City, UT, USA
| | - Alessandro Rossi
- Department of Biology, University of Utah, Salt Lake City, UT, USA
- Department of Bioengineering, University of Utah, Salt Lake City, UT, USA
| | - Kuberan Balagurunathan
- Department of Medicinal Chemistry, University of Utah, Salt Lake City, UT, USA.
- Department of Biology, University of Utah, Salt Lake City, UT, USA.
- Department of Bioengineering, University of Utah, Salt Lake City, UT, USA.
- Department of Medical Biochemistry and Microbiology, BMC, Uppsala, Sweden.
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Yang L, Xu X, Li S, Li Y, Ling P, Fang J. Robust one-pot multi-enzyme polysaccharide remodeling strategy for the synthesis of uniform chondroitin fragments and derivatives. Carbohydr Res 2021; 509:108442. [PMID: 34547517 DOI: 10.1016/j.carres.2021.108442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/01/2021] [Accepted: 09/08/2021] [Indexed: 01/10/2023]
Abstract
The non-sulfated chondroitin backbone (CH) is the synthetic precursor of chondroitin sulfate, a linear polysaccharide with dramatic biological functions. Owing to the intrinsic characteristics of the polysaccharide biosynthetic pathway, it is still a challenge to obtain structural-defined glycans via microbial fermentation or enzymatic synthesis, which hindering the illustration of CH polysaccharide functions. Herein, we report a robust one-pot multi-enzyme polysaccharide remodeling strategy to synthesize uniform CH fragments and their derivatives. CH tetrasaccharide, which was obtained from the digestion of heterogeneous CH fragments, was used as the starting material to trigger the assembly of uniform CH fragments in a one-pot multi-enzyme system. This strategy, which combined heteropolymer digestion, sugar nucleotide in situ generation, and sugar chain synchronized polymerization, provides a robust toolbox for structural-defined polysaccharides synthesis.
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Affiliation(s)
- Lin Yang
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China
| | - Xuan Xu
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China
| | - Shuang Li
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China
| | - Yi Li
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China
| | - Peixue Ling
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China
| | - Junqiang Fang
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong, 266237, People's Republic of China.
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Chemical Modification of Glycosaminoglycan Polysaccharides. Molecules 2021; 26:molecules26175211. [PMID: 34500644 PMCID: PMC8434129 DOI: 10.3390/molecules26175211] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 12/16/2022] Open
Abstract
The linear anionic class of polysaccharides, glycosaminoglycans (GAGs), are critical throughout the animal kingdom for developmental processes and the maintenance of healthy tissues. They are also of interest as a means of influencing biochemical processes. One member of the GAG family, heparin, is exploited globally as a major anticoagulant pharmaceutical and there is a growing interest in the potential of other GAGs for diverse applications ranging from skin care to the treatment of neurodegenerative conditions, and from the treatment and prevention of microbial infection to biotechnology. To realize the potential of GAGs, however, it is necessary to develop effective tools that are able to exploit the chemical manipulations to which GAGs are susceptible. Here, the current knowledge concerning the chemical modification of GAGs, one of the principal approaches for the study of the structure-function relationships in these molecules, is reviewed. Some additional methods that were applied successfully to the analysis and/or processing of other carbohydrates, but which could be suitable in GAG chemistry, are also discussed.
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Nivedita PS, Shettar AK, Joy HH. Applications of Polysaccharides in Nutrition and Medicine. POLYSACCHARIDES 2021. [DOI: 10.1002/9781119711414.ch30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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31
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Adetunji CO, Akram M, Michael OS, Shahzad K, Ayeni AE, Hasan S, Adetunji JB, Hasan SM, Inamuddin, Olaniyan M, Muhibi MA. Polysaccharides Derived From Natural Sources: A Panacea to Health and Nutritional Challenges. POLYSACCHARIDES 2021. [DOI: 10.1002/9781119711414.ch32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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32
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Xing Y, Varghese B, Ling Z, Kar AS, Reinoso Jacome E, Ren X. Extracellular Matrix by Design: Native Biomaterial Fabrication and Functionalization to Boost Tissue Regeneration. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00210-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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33
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Synthesis and effects of the selective oxidation of chitosan in induced disease resistance against Botrytis cinerea. Carbohydr Polym 2021; 265:118073. [PMID: 33966837 DOI: 10.1016/j.carbpol.2021.118073] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/23/2020] [Accepted: 04/09/2021] [Indexed: 01/26/2023]
Abstract
Plant fungal diseases can lead to yield reduction and quality degradation in crops, which usually cause serious economic losses. Additionally, chemical fungicides used in the prevention and control of plant diseases are increasingly restricted due to resistance development and high toxicity. Therefore, biogenic fungicides such as chitosan with low toxicity and good biocompatibility are receiving increasing attention. This study found that the acid swelling chitosan pretreatment method can accelerate the rate of the specific oxidation of chitosan catalyzed by the TEMPO-NaBr-NaOCl system. This study proved that OCTS induces plant disease resistance, and the control efficiencies achieved in protection and treatment experiments against Botrytis cinerea were 80.6 % and 83.4 %, respectively, at 400 μg/mL OCTS. In addition, OCTS can promote plant growth and enhance plant defense enzyme activities. This research has realized a forward-looking exploration of the application of OCTS in the agricultural field.
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Lemmnitzer K, Köhling S, Freyse J, Rademann J, Schiller J. Characterization of defined sulfated heparin-like oligosaccharides by electrospray ionization ion trap mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4692. [PMID: 33415813 DOI: 10.1002/jms.4692] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 11/13/2020] [Accepted: 11/20/2020] [Indexed: 06/12/2023]
Abstract
Glycosaminoglycans (GAG) as long, unbranched polysaccharides are major components of the extracellular matrix. Many studies provided additional evidence of a specific binding between mediators and sulfated GAG, at which the sulfation code-which means the number and positions of sulfate groups along the polysaccharide chain-plays an important role. GAG from natural sources are very inhomogeneous regarding their sulfation patterns and molecular weight. Additionally, there is a high risk of contamination. This results in a growing interest in the careful characterization of native GAG and the synthesis of artificial GAG. Additionally, chemically oversulfated GAG analogues show many favorable properties. However, the structural characterization of these carbohydrates by mass spectrometry remains challenging. One significant problem is the sulfate loss during the ionization, which increases with the number of sulfate residues. We used the sulfated pentasaccharide fondaparinux as model substance to optimize sample preparation and measurement conditions, compared different established desalination methods and already existing protocols for sulfated oligosaccharides, and investigated their impact on the quality of the mass spectra. After optimization of the measurement conditions, we could establish a gentle and fast protocol for the mass spectrometry characterization of (fully) sulfated, artificial GAG-like oligosaccharides with minimized sulfate loss in the positive and negative ion mode. Here, the negative ion mode was more sensitive in comparison with the positive one, and fondaparinux species with sulfate loss were not detectable under the optimized conditions in the positive ion mode.
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Affiliation(s)
- Katharina Lemmnitzer
- Faculty of Medicine, Institute of Medical Physics and Biophysics, University of Leipzig, Leipzig, Germany
| | - Sebastian Köhling
- Department of Biology, Chemistry, and Pharmacy, Institute of Pharmacy, Pharmaceutical and Medicinal Chemistry, Free University of Berlin, Berlin, Germany
| | - Joanna Freyse
- Department of Biology, Chemistry, and Pharmacy, Institute of Pharmacy, Pharmaceutical and Medicinal Chemistry, Free University of Berlin, Berlin, Germany
| | - Jörg Rademann
- Department of Biology, Chemistry, and Pharmacy, Institute of Pharmacy, Pharmaceutical and Medicinal Chemistry, Free University of Berlin, Berlin, Germany
| | - Jürgen Schiller
- Faculty of Medicine, Institute of Medical Physics and Biophysics, University of Leipzig, Leipzig, Germany
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35
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Metabolic engineering for production of functional polysaccharides. Curr Opin Biotechnol 2020; 66:44-51. [DOI: 10.1016/j.copbio.2020.06.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/07/2020] [Accepted: 06/19/2020] [Indexed: 02/08/2023]
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36
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Guan N, Liu Z, Zhao Y, Li Q, Wang Y. Engineered biomaterial strategies for controlling growth factors in tissue engineering. Drug Deliv 2020; 27:1438-1451. [PMID: 33100031 PMCID: PMC7594870 DOI: 10.1080/10717544.2020.1831104] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/19/2020] [Accepted: 09/28/2020] [Indexed: 12/16/2022] Open
Abstract
Growth factors are multi-functional signaling molecules that coordinate multi-stage process of wound healing. During wound healing, growth factors are transmitted to wound environment in a positive and physiologically related way, therefore, there is a broad prospect for studying the mediated healing process through growth factors. However, growth factors (GFs) themselves have disadvantages of instability, short life, rapid inactivation of physiological conditions, low safety and easy degradation, which hinder the clinical use of GFs. Rapid development of delivery strategies for GFs has been trying to solve the instability and insecurity of GFs. Particularly, in recent years, GFs delivered by scaffolds based on biomaterials have become a hotspot in this filed. This review introduces various delivery strategies for growth factors based on new biodegradable materials, especially polysaccharides, which could provide guidance for the development of the delivery strategies for growth factors in clinic.
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Affiliation(s)
- Na Guan
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, P. R. China
| | - Zhihai Liu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, P. R. China
| | - Yonghui Zhao
- Qingdao Central Hospital, The Second Affiliated Hospital of Qingdao University, Qingdao, P. R. China
| | - Qiu Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, P. R. China
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
| | - Yitao Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
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37
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Enzymatic Synthesis of Glycans and Glycoconjugates. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2020; 175:231-280. [PMID: 33052414 DOI: 10.1007/10_2020_148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Glycoconjugates have great potential to improve human health in a multitude of different ways and fields. Prominent examples are human milk oligosaccharides and glycosaminoglycans. The typical choice for the production of homogeneous glycoconjugates is enzymatic synthesis. Through the availability of expression and purification protocols, recombinant Leloir glycosyltransferases are widely applied as catalysts for the synthesis of a wide range of glycoconjugates. Extensive utilization of these enzymes also depends on the availability of activated sugars as building blocks. Multi-enzyme cascades have proven a versatile technique to synthesize and in situ regenerate nucleotide sugar.In this chapter, the functions and mechanisms of Leloir glycosyltransferases are revisited, and the advantage of prokaryotic sources and production systems is discussed. Moreover, in vivo and in vitro pathways for the synthesis of nucleotide sugar are reviewed. In the second part, recent and prominent examples of the application of Leloir glycosyltransferase are given, i.e., the synthesis of glycosaminoglycans, glycoconjugate vaccines, and human milk oligosaccharides as well as the re-glycosylation of biopharmaceuticals, and the status of automated glycan assembly is revisited.
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38
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Thermostable α-Glucan Phosphorylase-Catalyzed Enzymatic Copolymerization to Produce Partially 2-Deoxygenated Amyloses. Processes (Basel) 2020. [DOI: 10.3390/pr8091070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
α-Glucan phosphorylase catalyzes the enzymatic polymerization of α-d-glucose 1-phosphate (Glc-1-P) monomers from a maltooligosaccharide primer to produce α(1→4)-glucan—i.e., amylose. In this study, by exploiting the weak specificity for the substrate recognition of a thermostable α-glucan phosphorylase (from Aquifex aeolicus VF5), we investigated the enzymatic copolymerization of 2-deoxy-α-d-glucose 1-phosphate (dGlc-1-P), which was produced in situ from d-glucal, with Glc-1-P to obtain non-natural heteropolysaccharides composed of α(1→4)-linked dGlc/Glc units—i.e., partially 2-deoxygenated amylose. The reactions were carried out at different monomer feed ratios using a maltotriose primer at 40 °C for 24 h. The products were precipitated from the reaction medium, isolated by centrifugation, and subjected to 1H NMR spectroscopic and powder X-ray diffraction measurements to evaluate their chemical and crystalline structures, respectively. Owing to its amorphous nature, the partially 2-deoxygenated amylose with adapted unit ratios formed a film when subjected to a casting method.
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Zhang SF, Zhang K, Cheng HM, Lin L, Wang DZ. Comparative transcriptomics reveals colony formation mechanism of a harmful algal bloom species Phaeocystis globosa. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137454. [PMID: 32114233 DOI: 10.1016/j.scitotenv.2020.137454] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 02/15/2020] [Accepted: 02/18/2020] [Indexed: 06/10/2023]
Abstract
Phaeocystis globosa is a major causative agent of harmful algal blooms in the global ocean, featuring a complex polymorphic life cycle alternating between free-living solitary cells and colonial cells. Colony is the dominant morphotype during P. globosa bloom. However, the underlying mechanism of colony formation is poorly understood. Here, we comprehensively compared global transcriptomes of P. globosa cells at four distinctive colony formation stages: free-living solitary cells, two cell-, four cell- and multi-cell colonies, under low (20 °C) and high (32 °C) temperatures, and characterized the genes involved in colony formation. Glycosaminoglycan (GAG) synthesis was enhanced while its degradation was decreased during colony formation, resulting in the accumulation of GAGs that are an essential substrate of the colony matrix. Nitrogen metabolism and glutamine synthesis were remarkably increased in the colonial cells, which provided precursors for GAG synthesis. Furthermore, cell defense and motility were down-regulated in the colonial cells, thereby conserving energy for GAG synthesis. Notably, high temperature led to decreased synthesis and increased degradation of GAGs, resulting in insufficient substrates to form the colony. Our study indicates that GAGs accumulation is critical for colony formation of P. globosa, but high temperature inhibits GAGs' accumulation and colony formation.
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Affiliation(s)
- Shu-Feng Zhang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
| | - Kun Zhang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
| | - Hua-Min Cheng
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
| | - Lin Lin
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
| | - Da-Zhi Wang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China; Key Laboratory of Marine Ecology & Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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40
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Yu Y, Bruzdoski K, Kostousov V, Hensch L, Hui SK, Siddiqui F, Farooqui A, Kouta A, Zhang F, Fareed J, Teruya J, Linhardt RJ. Structural characterization of a clinically described heparin-like substance in plasma causing bleeding. Carbohydr Polym 2020; 244:116443. [PMID: 32536393 DOI: 10.1016/j.carbpol.2020.116443] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/05/2020] [Accepted: 05/11/2020] [Indexed: 01/27/2023]
Abstract
Heparin-like substances (HLS) have been described in various clinical situations, including in settings of liver disease associated with infection, transplant, and metastasis. HLS are generally attributed to circulating glycosaminoglycans. Initial results for this patient showed coagulopathy due to liver disease without HLS. Two weeks after liver transplantation, a 10 year-old female with liver failure patient began to bleed from catheter insertion sites, mouth, and nares and HLS was suspected. The patient subsequently died and these clinical samples resulted in the isolation of a single heparan sulfate (HS) present at high concentrations in the plasma. Analysis of this HS showed it had an intermediate between heparin and HS with low antithrombin-mediated anticoagulant activity. We speculate that this 10-year old patient might have a platelet function defect influenced by this unusual HS. Endothelial defects not measurable by our methods might have also contributed to the observed bleeding complications.
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Affiliation(s)
- Yanlei Yu
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Karen Bruzdoski
- Division of Transfusion Medicine & Coagulation, Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, USA
| | - Vadim Kostousov
- Division of Transfusion Medicine & Coagulation, Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, USA
| | - Lisa Hensch
- Division of Transfusion Medicine & Coagulation, Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, USA
| | - Shiu-Ki Hui
- Division of Transfusion Medicine & Coagulation, Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, USA
| | - Fakiha Siddiqui
- Department of Pathology and Laboratory Medicine, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Amber Farooqui
- Department of Pathology and Laboratory Medicine, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Ahmed Kouta
- Department of Pathology and Laboratory Medicine, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Fuming Zhang
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Jawed Fareed
- Department of Pathology and Laboratory Medicine, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Jun Teruya
- Division of Transfusion Medicine & Coagulation, Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, TX, USA
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Biology, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
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41
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Coussement P, Bauwens D, Peters G, Maertens J, De Mey M. Mapping and refactoring pathway control through metabolic and protein engineering: The hexosamine biosynthesis pathway. Biotechnol Adv 2020; 40:107512. [DOI: 10.1016/j.biotechadv.2020.107512] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 08/07/2019] [Accepted: 09/30/2019] [Indexed: 01/14/2023]
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42
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Felz S, Neu TR, van Loosdrecht MCM, Lin Y. Aerobic granular sludge contains Hyaluronic acid-like and sulfated glycosaminoglycans-like polymers. WATER RESEARCH 2020; 169:115291. [PMID: 31734393 DOI: 10.1016/j.watres.2019.115291] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/30/2019] [Accepted: 11/06/2019] [Indexed: 06/10/2023]
Abstract
Glycosaminoglycans (GAGs) are linear heteropolysaccharides containing a derivative of an amino sugar. The possibility of the presence of GAGs in aerobic granular sludge was studied by combining SDS-PAGE with Alcian Blue staining (at pH 2.5 and 1), FTIR, mammalian Hyaluronic acid and sulfated GAG analysis kits, enzymatic digestion and specific in situ visualization by Heparin Red and lectin staining. GAGs, including Hyaluronic acid-like and sulfated GAGs-like polymers were found in aerobic granular sludge. The sulfated GAGs-like polymers contained Chondroitin sulfate and Heparan sulfate/Heparin based on their sensitivity to the digestion by Chondroitinase ABC and Heparinase I & III. Heparin Red and lectin staining demonstrated that, the sulfated GAGs-like polymers were not only present in the extracellular matrix, but also filled in the space between the cells inside the microcolonies. The GAGs-like polymers in aerobic granules were different from those produced by pathogenic bacteria but resemble those produced by vertebrates. Findings reported here and in previous studies on granular sludge described in literature indicate that GAGs-like polymers might be widespread in granular sludge/biofilm and contribute to the stability of these systems. The extracellular polymeric substances (EPS) in granular sludge/biofilm are far more complicated than they are currently appreciated. Integrated and multidisciplinary analyses are significantly required to study the EPS.
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Affiliation(s)
- Simon Felz
- Department of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands
| | - Thomas R Neu
- Microbiology of Interfaces, Department River Ecology, Helmholtz Centre for Environmental Research - UFZ, Brueckstrasse 3A, 39114, Magdeburg, Germany
| | - Mark C M van Loosdrecht
- Department of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands
| | - Yuemei Lin
- Department of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, the Netherlands.
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Zhang N, Li G, Li S, Cai C, Zhang F, Linhardt RJ, Yu G. Mass spectrometric evidence for the mechanism of free-radical depolymerization of various types of glycosaminoglycans. Carbohydr Polym 2020; 233:115847. [PMID: 32059898 DOI: 10.1016/j.carbpol.2020.115847] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/03/2020] [Accepted: 01/08/2020] [Indexed: 12/14/2022]
Abstract
Glycosaminoglycans (GAGs) are large, complex carbohydrate molecules that interact with a wide range of proteins involved in physiological and pathological processes. Several naturally derived GAGs have emerged as potentially useful therapeutics in clinical applications. Natural polysaccharides, however, generally have high molecular weights with a degree of polydispersity, making it difficult to investigate their structural properties. In this study, we establish a free-radical-mediated micro-reaction system and use hydrophilic interaction chromatography (HILIC)-Fourier transform mass spectrometry (FTMS) to profile the degraded products of various types of GAGs, heparin, chondroitin sulfate A, NS-heparosan, and oversulfated chondroitin sulfate (OSCS), to reveal the free-radical degradation mechanism of GAGs. The results show that the bulk fragments of GAGs generated by free-radical degradation can maintain their basic structural units and sulfate substituents. In addition, an abundance of oligomers modified with oxidation at their reducing ends or by dehydration also appeared. We discovered that these modifications were related in terms of the degree of sulfation and the α- or β-linkage of HexNY (Y = SO3- or Ac), and especially that the different linkage of the disaccharide unit is the main factor in modification. In addition, the method based on micro-free-radical reaction and HILIC-FTMS is both effective and sensitive, thus suggesting its broad practical value for the structural characterization and in the biological structure-function studies of GAGs.
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Affiliation(s)
- Ning Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, Ocean University of China, Qingdao, 266003, China
| | - Guoyun Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266003, China.
| | - Shijie Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, Ocean University of China, Qingdao, 266003, China
| | - Chao Cai
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266003, China
| | - Fuming Zhang
- Department of Chemistry and Chemical Biology, Biomedical Engineering, Biology, Chemical and Biological Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Biomedical Engineering, Biology, Chemical and Biological Engineering, and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Guangli Yu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Shandong Provincial Key Laboratory of Glycoscience and Glycotechnology, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266003, China
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Afosah DK, Al-Horani RA. Sulfated Non-Saccharide Glycosaminoglycan Mimetics as Novel Drug Discovery Platform for Various Pathologies. Curr Med Chem 2020; 27:3412-3447. [PMID: 30457046 PMCID: PMC6551317 DOI: 10.2174/0929867325666181120101147] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 11/06/2018] [Accepted: 11/13/2018] [Indexed: 01/14/2023]
Abstract
Glycosaminoglycans (GAGs) are very complex, natural anionic polysaccharides. They are polymers of repeating disaccharide units of uronic acid and hexosamine residues. Owing to their template-free, spatiotemporally-controlled, and enzyme-mediated biosyntheses, GAGs possess enormous polydispersity, heterogeneity, and structural diversity which often translate into multiple biological roles. It is well documented that GAGs contribute to physiological and pathological processes by binding to proteins including serine proteases, serpins, chemokines, growth factors, and microbial proteins. Despite advances in the GAG field, the GAG-protein interface remains largely unexploited by drug discovery programs. Thus, Non-Saccharide Glycosaminoglycan Mimetics (NSGMs) have been rationally developed as a novel class of sulfated molecules that modulate GAG-protein interface to promote various biological outcomes of substantial benefit to human health. In this review, we describe the chemical, biochemical, and pharmacological aspects of recently reported NSGMs and highlight their therapeutic potentials as structurally and mechanistically novel anti-coagulants, anti-cancer agents, anti-emphysema agents, and anti-viral agents. We also describe the challenges that complicate their advancement and describe ongoing efforts to overcome these challenges with the aim of advancing the novel platform of NSGMs to clinical use.
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Affiliation(s)
- Daniel K. Afosah
- Department of Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia 23219
| | - Rami A. Al-Horani
- Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, Louisiana 70125
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Mohan N, Pavan SS, Achar A, Swaminathan N, Sivaprakasam S. Calorespirometric investigation of Streptococcus zooepidemicus metabolism: Thermodynamics of anabolic payload contribution by growth and hyaluronic acid synthesis. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.107367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Williams A, Gedeon KS, Vaidyanathan D, Yu Y, Collins CH, Dordick JS, Linhardt RJ, Koffas MAG. Metabolic engineering of Bacillus megaterium for heparosan biosynthesis using Pasteurella multocida heparosan synthase, PmHS2. Microb Cell Fact 2019; 18:132. [PMID: 31405374 PMCID: PMC6691538 DOI: 10.1186/s12934-019-1187-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 08/07/2019] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Heparosan is the unsulfated precursor of heparin and heparan sulfate and its synthesis is typically the first step in the production of bioengineered heparin. In addition to its utility as the starting material for this important anticoagulant and anti-inflammatory drug, heparosan is a versatile compound that possesses suitable chemical and physical properties for making a variety of high-quality tissue engineering biomaterials, gels and scaffolds, as well as serving as a drug delivery vehicle. The selected production host was the Gram-positive bacterium Bacillus megaterium, which represents an increasingly used choice for high-yield production of intra- and extracellular biomolecules for scientific and industrial applications. RESULTS We have engineered the metabolism of B. megaterium to produce heparosan, using a T7 RNA polymerase (T7 RNAP) expression system. This system, which allows tightly regulated and efficient induction of genes of interest, has been co-opted for control of Pasteurella multocida heparosan synthase (PmHS2). Specifically, we show that B. megaterium MS941 cells co-transformed with pT7-RNAP and pPT7_PmHS2 plasmids are capable of producing heparosan upon induction with xylose, providing an alternate, safe source of heparosan. Productivities of ~ 250 mg/L of heparosan in shake flasks and ~ 2.74 g/L in fed-batch cultivation were reached. The polydisperse Pasteurella heparosan synthase products from B. megaterium primarily consisted of a relatively high molecular weight (MW) heparosan (~ 200-300 kD) that may be appropriate for producing certain biomaterials; while the less abundant lower MW heparosan fractions (~ 10-40 kD) can be a suitable starting material for heparin synthesis. CONCLUSION We have successfully engineered an asporogenic and non-pathogenic B. megaterium host strain to produce heparosan for various applications, through a combination of genetic manipulation and growth optimization strategies. The heparosan products from B. megaterium display a different range of MW products than traditional E. coli K5 products, diversifying its potential applications and facilitating increased product utility.
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Affiliation(s)
- Asher Williams
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Kamil S Gedeon
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Deepika Vaidyanathan
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Yanlei Yu
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Cynthia H Collins
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Jonathan S Dordick
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Department of Biology, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Robert J Linhardt
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
- Department of Biology, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Mattheos A G Koffas
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
- Department of Biology, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
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47
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van den Berg BM, Wang G, Boels MGS, Avramut MC, Jansen E, Sol WMPJ, Lebrin F, van Zonneveld AJ, de Koning EJP, Vink H, Gröne HJ, Carmeliet P, van der Vlag J, Rabelink TJ. Glomerular Function and Structural Integrity Depend on Hyaluronan Synthesis by Glomerular Endothelium. J Am Soc Nephrol 2019; 30:1886-1897. [PMID: 31308073 DOI: 10.1681/asn.2019020192] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/20/2019] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND A glycocalyx envelope consisting of proteoglycans and adhering proteins covers endothelial cells, both the luminal and abluminal surface. We previously demonstrated that short-term loss of integrity of the luminal glycocalyx layer resulted in perturbed glomerular filtration barrier function. METHODS To explore the role of the glycocalyx layer of the endothelial extracellular matrix in renal function, we generated mice with an endothelium-specific and inducible deletion of hyaluronan synthase 2 (Has2), the enzyme that produces hyaluronan, the main structural component of the endothelial glycocalyx layer. We also investigated the presence of endothelial hyaluronan in human kidney tissue from patients with varying degrees of diabetic nephropathy. RESULTS Endothelial deletion of Has2 in adult mice led to substantial loss of the glycocalyx structure, and analysis of their kidneys and kidney function showed vascular destabilization, characterized by mesangiolysis, capillary ballooning, and albuminuria. This process develops over time into glomerular capillary rarefaction and glomerulosclerosis, recapitulating the phenotype of progressive human diabetic nephropathy. Using a hyaluronan-specific probe, we found loss of glomerular endothelial hyaluronan in association with lesion formation in tissue from patients with diabetic nephropathy. We also demonstrated that loss of hyaluronan, which harbors a specific binding site for angiopoietin and a key regulator of endothelial quiescence and maintenance of EC barrier function results in disturbed angiopoietin 1 Tie2. CONCLUSIONS Endothelial loss of hyaluronan results in disturbed glomerular endothelial stabilization. Glomerular endothelial hyaluronan is a previously unrecognized key component of the extracelluar matrix that is required for glomerular structure and function and lost in diabetic nephropathy.
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Affiliation(s)
- Bernard M van den Berg
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - Gangqi Wang
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - Margien G S Boels
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - M Cristina Avramut
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Erik Jansen
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wendy M P J Sol
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - Franck Lebrin
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - Anton Jan van Zonneveld
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
| | - Eelco J P de Koning
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and.,Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hans Vink
- Department of Physiology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Hermann-Josef Gröne
- Department of Cellular and Molecular Pathology, The German Cancer Research Center, Heidelberg, Germany
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, Katholieke Universiteit Leuven, Vesalius Research Center, Vascular Institute Belgium, Leuven, Belgium.,Laboratory of Angiogenesis and Vascular Metabolism, Vesalius Research Center, Vascular Institute Belgium, Leuven, Belgium; and
| | - Johan van der Vlag
- Department of Nephrology, Nijmegen Centre for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Ton J Rabelink
- The Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Nephrology, Department of Internal Medicine, and
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Chondroitin Sulfate Safety and Quality. Molecules 2019; 24:molecules24081447. [PMID: 31013685 PMCID: PMC6515237 DOI: 10.3390/molecules24081447] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/08/2019] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
The industrial production of chondroitin sulfate (CS) uses animal tissue sources as raw material derived from different terrestrial or marine species of animals. CS possesses a heterogeneous structure and physical-chemical profile in different species and tissues, responsible for the various and more specialized functions of these macromolecules. Moreover, mixes of different animal tissues and sources are possible, producing a CS final product having varied characteristics and not well identified profile, influencing oral absorption and activity. Finally, different extraction and purification processes may introduce further modifications of the CS structural characteristics and properties and may lead to extracts having a variable grade of purity, limited biological effects, presence of contaminants causing problems of safety and reproducibility along with not surely identified origin. These aspects pose a serious problem for the final consumers of the pharmaceutical or nutraceutical products mainly related to the traceability of CS and to the declaration of the real origin of the active ingredient and its content. In this review, specific, sensitive and validated analytical quality controls such as electrophoresis, eHPLC (enzymatic HPLC) and HPSEC (high-performance size-exclusion chromatography) able to assure CS quality and origin are illustrated and discussed.
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Islam S, Laaf D, Infanzón B, Pelantová H, Davari MD, Jakob F, Křen V, Elling L, Schwaneberg U. KnowVolution Campaign of an Aryl Sulfotransferase Increases Activity toward Cellobiose. Chemistry 2018; 24:17117-17124. [DOI: 10.1002/chem.201803729] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Indexed: 01/19/2023]
Affiliation(s)
- Shohana Islam
- DWI-Leibniz Institute for Interactive Materials Forckenbeckstraße 50 52056 Aachen Germany
- Institute of BiotechnologyRWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Dominic Laaf
- Laboratory for BiomaterialsInstitute of Biotechnology and Helmholtz-Institute for Biomedical EngineeringRWTH Aachen University Pauwelsstraße 20 52074 Aachen Germany
| | - Belén Infanzón
- Institute of BiotechnologyRWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Helena Pelantová
- Institute of MicrobiologyCzech Academy of Sciences Vídeňská 1083 14220 Prague Czech Republic
| | - Mehdi D. Davari
- Institute of BiotechnologyRWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Felix Jakob
- DWI-Leibniz Institute for Interactive Materials Forckenbeckstraße 50 52056 Aachen Germany
- Institute of BiotechnologyRWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Vladimír Křen
- Institute of MicrobiologyCzech Academy of Sciences Vídeňská 1083 14220 Prague Czech Republic
| | - Lothar Elling
- Laboratory for BiomaterialsInstitute of Biotechnology and Helmholtz-Institute for Biomedical EngineeringRWTH Aachen University Pauwelsstraße 20 52074 Aachen Germany
| | - Ulrich Schwaneberg
- DWI-Leibniz Institute for Interactive Materials Forckenbeckstraße 50 52056 Aachen Germany
- Institute of BiotechnologyRWTH Aachen University Worringerweg 3 52074 Aachen Germany
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Metabolic engineering of capsular polysaccharides. Emerg Top Life Sci 2018; 2:337-348. [DOI: 10.1042/etls20180003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/11/2018] [Accepted: 06/27/2018] [Indexed: 11/17/2022]
Abstract
With rising concerns about sustainable practices, environmental complications, and declining resources, metabolic engineers are transforming microorganisms into cellular factories for producing capsular polysaccharides (CPSs). This review provides an overview of strategies employed for the metabolic engineering of heparosan, chondroitin, hyaluronan, and polysialic acid — four CPSs that are of interest for manufacturing a variety of biomedical applications. Methods described include the exploitation of wild-type and engineered native CPS producers, as well as genetically engineered heterologous hosts developed through the improvement of naturally existing pathways or newly (de novo) designed ones. The implementation of methodologies like gene knockout, promoter engineering, and gene expression level control has resulted in multiple-fold improvements in CPS fermentation titers compared with wild-type strains, and substantial increases in productivity, reaching as high as 100% in some cases. Optimization of these biotechnological processes can permit the adoption of industrially competitive engineered microorganisms to replace traditional sources that are generally toxic, unreliable, and inconsistent in product quality.
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